2025: Proceedings of the 43rd Samahang Pisika ng Pilipinas Physics Conference

Exotic H-field induced multiferroic behaviors in spin-frustrated systems

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Biomolecular nano-spectroscopies using plasmonic and dielectric nanostructures

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Polarity modulation in compositionally tunable Bi₂O₂Se thin films

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A photophysics approach in developing red fluorescent proteins

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Origin of spin current to charge current conversion in graphene on ferromagnet revealed by DFT with spin-orbit coupling calculations

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Direct-fiber connected SiN-based microresonators for stable soliton comb generation

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Integration of graphene-based superconducting quantum circuits in a three-dimensional cavity

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Synchrotron lightsources: A universal science toolbox

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Role of time-frequency correlations in two-photon-two-atom resonance energy transfer

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Searching of spin-triplet superconductivity

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Photon Factory: A synchrotron light source for key technology and science community development

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Building a superconducting quantum computer: From qubits to possibilities

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Engineering optically-interfaced spin qubits in silicon carbide

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Time as a quantum observable: Revisiting the tunneling time problem through time-of-arrival operators

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Why nature chose amide bonds for life systems on Earth

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Pressure dependence of current-voltage characteristics of a magnetically confined heaterless hollow cathode

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Design and analysis of a dual-band implantable antenna for optimized fat-intrabody communication at 2.45 and 5.8 GHz

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Plasmon-driven charge dynamics for efficient visible-light catalysis

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Fat-IBC: Advancing intra-body communication for functional restoration

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Expanding the horizons of laser applications: From cultural heritage imaging to sustainable pest control

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Development of a cloud-based radioluminescence dosimetry measurement system: Lessons learned and the way forward

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Terahertz time-domain coherent Raman spectroscopy of electrolyte aqueous solutions

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Development of an ultra-compact microwave resonator for electron-spin-resonance measurement

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Dielectric loss of low-loss resins in the millimeter-wave region

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Correlation thresholding of segmented fMRI time series baseline data for extraction of the node network structure in the human brain

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Comparing cell geometry in scaffolded vs. non-scaffolded environment using the cellular Potts model

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Influence of gap length on GAN-imputed missing dengue time series data

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Iota-carrageenan and amidated low-methoxyl pectin gel with shear-thinning behavior for extrusion-based 3D printing of pancreatic tissue scaffold

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Using PHITS to simulate the effects of the technique factors in the quality of posteroanterior chest X-ray images

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Exploration of spatial and stochastic effects in a four-state compartmental model of apoptotic cancerous tissue model

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Microrheological characterization and insulin release properties of low-methoxyl pectin hydrogels

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S-values in target and adjacent cells with idealized spherical models using monoenergetic electron sources

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Identifying the busiest public transport stops in Metro Manila

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Surface roughness and fractal dimension characterization of the topography in pristine and defected nanostructure arrays

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Chain-sense signature of the Twitter interaction network during the 2016−2022 period

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Modeling yeast population dynamics in space environments using agent-based modeling and genetic algorithm

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Pole structure inference of Λ(1405) via deep learning in the Σ⁰π⁰ invariant mass spectrum

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Effects of the nature of P_cc̅(4440)⁺ on the interpretation of P_cc̅(4457)⁺ via a model-selection approach

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A cellular automaton model of ultraviolet-driven melanin production and distribution in the human epidermis

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Development of an evacuation route planning simulation tool for Philippine Science High School – Main Campus using cellular automata crowd modeling

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Topology-informed image classification of imbalanced datasets

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Spatial clustering of Jollibee and McDonald's stores in Metro Manila

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How the tropical urban environment affects the heat index

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Rietveld refinement analysis on the effects of annealing temperature on ZnO microrods

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Electronic properties and photo-/thermo-tunable conductance of an anthracene-based conjugated polymer

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Powder X-ray diffraction of van der Waals compound CuInP₂S₆ under pressures from 2.0−10.8 GPa

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Investigation of the terahertz emission and detection characteristics of low-temperature grown gallium arsenide with aluminum arsenide barrier

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New force-free magnetospheres in the Schwarzschild spacetime

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Superradiance and quasi-bound states in the parameter space of the Kerr-Newman black hole

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Solutions to the Dirac equation in a universe with a spacetime-anti-spacetime boundary

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Stellar tidal disruptions in the composite potential of the Milky Way

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Thermoelectric analysis of Americium-241 fuel forms with lead telluride using OpenFOAM and Fusion 360

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Unraveling the sensitivity of a future muon collider to dark Z resonances

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Pole structure and compositeness of T_bb̅1(10650)⁺ via the uniformized S-matrix

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PHITS modeling and simulation of a D-D neutron generator facility for radiation safety assessment

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Neutron facilities in the Philippines

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Monte Carlo-based assessment of neutron and secondary gamma doses in a deuterium-tritium (D-T) neutron generator facility

Hadronic molecular interpretation of the P_cc̅ (4312)⁺ state using a coupled-channel S-matrix approach

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Shock shell formation in the Coulomb explosion of hollow nanospheres

Assessment of liquid radioactive effluents from the Philippine Nuclear Power Plant-1 (PNPP-1): A comparative study using GALE-PWR 3.2

Squark-pair production sensitivity in the stealth SUSY model

Effect of aperture division to light reconstruction measured via modulation transfer function

Testing, characterization and engineering analysis of an array of photonic integrated circuits-based optical ring resonators with varying ring radius, coupling gap, and coupling angle

Parametrization of the energy resolution of a hadronic sampling calorimeter involving radiation length

Laser sheet imaging as an inexpensive technique for in-situ ventilation testing

Preliminary Lumerical interpretation and prospective application of the proposed 3x3-Coupled Double-Ring Resonator with Internal Cross-Coupling (3x3C-XC)

Linear algebra (LINPACK) benchmarks of the UP Data Commons hyperconverged infrastructure

Simulation of a ripple-corrected asymmetric interleaver response using a non-cascaded multifunctional optical filter circuit

Triboelectric nanogenerator (TENG) power up device for wireless signal transmission applications

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Angular reflectivity of a ZnO-GaAs heterojunction

Photon-triplet emission in nonlinear resonant metasurface

Effect of target structure on the magnetic field generation of cylindrical targets in a two-laser system

Topological charge dependence of speckle correlation and probability density function

Impact of ZIF-8 coatings on cross coupled double ring resonator (CC-SDR) performance: A study on optical loss reduction, resonance extinction ratio and mode confinement

Innovation-oriented tertiary STEM education: The application of concept connectivity in modern physics

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Modified paisley target configuration for magnetic reconnection in laser-plasma interactions

Burstein-Moss shift and Urbach energy recovery in AZO nanowires via Ar/H₂ atmospheric plasma treatment

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Three-dimensional DSMC simulations of plasma plume expansion under directional background gas

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Interaction of two alkali atom Bose-Einstein condensates in a harmonic trapping potential

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Quantum band geometry in a fractional extension of the BHZ model

One dimensional Pöschl-Teller potential scattering as implemented in a quantum computing simulator

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Fate of coupled discrete time crystals in a Dicke lattice dimer

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Dynamics of an open quantum Otto engine with a working substance in a harmonic oscillator potential well

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Examining the completeness of bound and scattering states

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Solving one-dimensional paraparticle models via bosonization

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Quantum chaos in transition in sparsified random matrices

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Effect of decoherence on the probability of finding the quantum harmonic oscillator in the classically forbidden region

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Some applications of strong coupling theory to non-BCS superconductors

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Constraining the generic spin-two model through diphoton and dijet final states

External electromagnetic effects on the spin transport of the open one-dimensional single-band Fermi-Hubbard lattice

Sound profiles of gravitational wave-induced phonons in Bose-Einstein condensates

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SUSY Bino Dark Matter with coannihilation and collider analysis

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Recasting the ATLAS stop–chargino analysis with CheckMATE

Evaluation of Hankel transforms of meromorphic exponential type functions for large order parameters

Exchange interaction energy in many-paraparticle systems

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Critical behavior of the site-diluted three-state Potts model on the square lattice

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Solving the forced generalized sinh-Gordon equation using the extended generalized tanh-like ansatz method

Maximally truncated resetting diffusion with an absorbing external circular boundary

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Convergence test on ensemble-averaged direct simulation Monte Carlo modeling of laser-produced plasma

Electronic transport modulation in spray-pyrolyzed ZnO thin films via Ar-H₂, Ar-O₂, and Ar-N₂ plasma treatments

Electron distribution model in a solid sphere for relativistic collisionless plasmas

Plasma-activated water as a potential sustainable biocide for pathogen management in the production of Brassica rapa var. pekinensis

Evaluation of radiation attenuation properties of fiber cement board with powdered tabagwang shells filler and corn cob cellulose fibers using EpiXS and XCOM

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First-principles analysis of the electronic structure and stability of Hf₃N₂T₂ (T = Cl, S) MXene monolayers

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Studying the electronic behavior of twisted NiPS₃ using density functional theory

First-principles investigation of electronic properties of NiTeO₄ using DFT and DFT+U frameworks

Fourier transform infrared spectroscopy and scanning electron microscopy characterization of polyaniline films on acetate substrate

Effect of polyvinylpyrrolidone (PVP) on the stability of Bi₂Sr₂CaCu₂O₈ (Bi-2212) in ethanol

Structural and ultrafast characteristics of LTG-InGaAs photoconductive antennas in-situ annealed at 600°C

Fabrication of porous carbon thin film using a low-cost nanosecond pulsed laser deposition

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Ionization dynamics of relativistic laser-driven magnetic field generation

Parameter optimization for enhanced multiple plane phase retrieval with statistical fringe processing and object support

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Comparison of the theoretical spectroscopic signatures of scytonemin with its monomer

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Electron-hole pair evaluation in silicon dioxide SiO₂ derived from rice husk ash as an insulating layer in MOSFET dosimeter using PHITS

Comparison of entanglement detection criteria for mixtures of states in 2 x 2 and 3 x 3 quantum systems

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Density matrix renormalization group and exact diagonalization analysis of the one-dimensional quantum q-state clock model

Exact evaluation of the stabilizer Rényi entropy of a Greenberger–Horne–Zeilinger state

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Monte Carlo study of response functions in a 2D 5-state clock model

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A non-Hermitian metasurface heterostructure in the terahertz regime

Comparative Raman analysis of porous silicon DBRs before and after lift-off under visible and near-infrared laser excitation

Lumerical MODE simulations of a novel photonic integrated circuit design using cross coupling and a 3 x 3 single waveguide double ring resonator

Determining 2D emitter nanomaterial orientation via polarization analysis at oblique detection angle

Carrier dynamics of indium arsenide quantum dash photoconductive antennas under 1.55 μm photo-excitation

Electromechanical response of stacking faults in monolayer 4H-SiC under electric field stress

Comparison of the carrier lifetimes of molecular beam epitaxy grown In_xGa_1−xAs/GaAs multi-quantum wells with different barrier heights

Terahertz detection signal enhancement via integration of micron-sized metal line arrays on photoconductive antennas

Terahertz time-domain spectroscopy via laser cavity tuning

Determining the resistivity of aluminum-doped zinc oxide films through current-voltage measurements

Optical and structural characterization of zinc-functionalized niacin-derived carbon quantum dots

Artificial intelligence-enhanced STE(Agri)M-based Physics and its effects on pre-service teachers' cognitive adaptability

Elemental composition of marine organisms with calcium carbonate structures using Laser-Induced Breakdown Spectroscopy

Surface morphology characterization of thermally activated porous bamboo-derived carbon synthesized via calcium carbonate templating

Investigation of the terahertz emission characteristics from low-temperature grown gallium arsenide dipole and bowtie photoconductive antennas via finite element analysis

Temperature-dependent fluorescence peak shift in ruby using pulsed fiber laser heating

Mechanical properties of cow manure-based organic composite material

Terahertz flip-mode via 3D printed π-step phase plate

Optimization of wet thermal oxidation for 940 nm VCSELs using simplified and full epitaxial structures wafers

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Enhanced surface morphology of Bi₂Sr_1.8In_0.2CaCu₂O_8+δ films via short-duration annealing

Photoluminescence and photoluminescence excitation spectroscopy of GaAs/Al_0.3Ga_0.7As multiple quantum wells at low temperature using a lamp with monochromator

Parametric optimization of 3D revolver multichannel terahertz plastic waveguides using finite-difference time-domain model

Comparison of two K-matrix pole structures of the P_cc̅ (4312)⁺ pentaquark

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Sensitivity to long-lived particle searches with a Belle II-like detector at a proton-proton collider

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Resonating new physics: Dijet signatures in the extended scalar frontier at the HL-LHC

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Laser-driven ion acceleration on uniform curved hydrocarbon foil targets of varying angles of curvature

PHITS-based Monte Carlo analysis of stainless steel as a bremsstrahlung converter for electron beam dosimetry

Numerical evaluation of Bragg-Gray cavity integrals by modeling the mass electronic stopping power as a Gaussian function

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Recurrence quantification analysis and surrogate-based hypothesis testing for Rossler system with white noise

Decoupled binary Lagrangian in the third-order Fermi normal metric

Expectation values of quantum observables via phase space methods

Constructing a family of probability distributions with Schwarzschild as information metric

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Symbol spaces using group frames in Hilbert space

Symbol representations of observables over the similitude group

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Reduction identities for the generalized hypergeometric function ₂F₂ arising from the solution to the diffusion equation through finite-part integration

Time operators in two-dimensional Hilbert space

Extending the domain of the integral form of the digamma function through analytic continuation

New exact solution families for forced Boussinesq equation via an extension of generalized tanh-function method

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Comparison of maximum entropy and Laguerre inverse moment problem algorithms in the context of Stieltjes summation problem

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Energies of two-flavor neutrino oscillations in uniform mass distribution using Dirac equation

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Non-resonant anomaly detection for semi-visible jets with leptonic decays

Eccentricity evolution of extreme-mass-ratio inspirals under Chandrasekhar dynamical friction

Feasibility of detecting spin-0 dark matter mediators decaying into gauge bosons through invariant mass reconstruction

Three-channel separable potential analysis of P_cc̅s(4338)

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K-matrix parametrized differential cross section datasets for deep neural network feature extraction

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Experimental investigation of neutron shielding effectiveness of polyethylene, borax-epoxy resin, and concrete slabs

Analysis of J/ψp and χ_c1p interaction with S-wave and P-wave coupling using the separable potential model

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Analysis of noisy channels in the simplified quantum teleportation protocol

Inverse momentum squared in a rigged Hilbert space (RHS) and its RHS reduction

Amplitude analysis of the T_cc⁺ observation using two-channel S-matrix

Predisposal management of legacy radioactive materials at the PRR-1 storage facility

Lag time in diffusion coefficient estimation: Mean-squared-displacement versus variance methods in Brownian motion

Gravitational collapse of spherically-symmetric inhomogeneous dust in the LTB spacetime

In silico retinal prosthesis through electrical stimulation using an organic semiconductor

Spherically symmetric, static vacuum solution in aether scalar tensor theory with MOND term

Modified driving force profile in the coupled oscillator model of femtosecond pulsed laser ablation

Pre- and post-selected spin measurements under one internal degree of freedom induced decoherence

Investigating γ-ray generation using spined μm-foil irradiation

Monte Carlo analysis of ionizing radiation effects in ZnS:Ag and GaN:Al layers of alphavoltaic cells

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Search for a maverick top particle in monotop events with high missing transverse momentum from proton-proton collisions at √s = 13 TeV

Calculations of power from cylindrical buoys with different submersion levels

Terahertz emission from low-temperature grown gallium arsenide photoconductive antenna: A comparative analysis using Drude-Lorentz, Equivalent Circuit Models, and Finite Element Analysis

Occupation and survival probability of a subdiffusive particle in a planar wedge with angle π/3

Photoacoustic wave propagation in 3D heterogeneous human skin tissue model using first-order k-space modeling at different wavelengths

Identifying critical sections of the human circulatory system via network dynamics

Compaction of vibrated monodisperse granular materials in a cylindrical container

Co-occurrence prediction of novel ideas in the annual Samahang Pisika ng Pilipinas conferences from 1982 to 2024

Tracking player locations in VALORANT using computer vision

Assessing the role of umbrella color for effective UV-AB radiation shielding at UP Manila CAS Tambayan

An iterative solution algorithm for thin elastic plate flexure with variable rigidity and in-plane loading

Enhancing LDR-based rotational detection with perfect petal beams

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Enhanced multiple-plane phase retrieval using evolutionary selection

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Measurement of the scale distortion of a digital micro-mirror device in a 4f-imaging system

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Portable near-infrared transmittance and absorbance measurement device

Design and fabrication of low-cost impedance tube to measure the sound absorption coefficient of selected materials

Tolerance of an OAM Michelson interferometer to cylindrical lens displacement

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Numerical simulation of response of graphene-based personnel dosimeters under ionizing radiation fields

Effective correction of local phase errors in unordered wave propagation iterative phase retrieval using tilt phase addition

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Polarization singularities in superposition of orthogonally polarized LG beams of opposite topological charge

Artificial Karst system networks generation via random percolation models

Zipf's law deviations for Philippine cities and municipalities: An analysis using the 2020 Cities and Municipalities Competitiveness Index

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Basin of attraction of a three-state DSI model of misinformation propagation dynamics

Tides of tomorrow: Physics-informed neural operator (PINO) for 24-hour tidal forecasting in Manila Bay, Philippines

Exclusive or not: Modeling the mix of truck and jeepney lanes

Surface temperature, vegetation, and built-up areas in Philippine cities: A time series analysis

Linfoot-based analysis of misalignment effects in dual-SLM Bessel beam generation

Disc motion control on a square aluminum Chladni plate using trained neural network

Revisiting the physical pendulum with torque

Single-device fringe projection profilometry using a smartphone

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Comparing genome initializations in the asexual Penna model

Isolating high-frequency vibrations in an improvised optical table using recycled tire interior

Angular sensing of structured light using a structured sensor

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Nematic alignment of particles in high-density limit of a modified Vicsek model

Benchmarking food consumption estimates from imports data and net food disposable data with dietary survey data

Effect of Brownian probe collision and rotation on diffusion coefficient measurements: Mean-squared-displacement vs. displacement-variance methods

Gaussian mode component of Laguerre-Gaussian beams obstructed by symmetric angular masks

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Access disparities to evacuation centers in the Philippines

Prediction comparison of deep neural network and random forest regression on cubic and orthorhombic lattice constants

Bimeronic beams from superposition of Laguerre-Gaussian beams with unequal topological charge with a digital micromirror device

Sensitivity to distance metric of revealed patterns in democratic indices

Camera-projector calibration using Double N-Step phase shift profilometry and circle grid calibration pattern

Establishing the continuity of Metro Manila bike lane networks

Identifying stock market communities with time series analysis and spectral clustering

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SVM-based triaging and color transfer for underwater mosaic enhancement

Submicron-scale hysteresis detection via optical feedback semiconductor laser interferometry

Comparison of serial and parallel RGB image capture in color Fourier ptychographic microscopy

Electrical performance of paper-based hygroelectric generator flattened by non-traditional press