Proceedings of the Samahang Pisika ng Pilipinas

Keynote Address

A random walk through physics to the Nobel Prize

J. Michael Kosterlitz

SPP-2021-KA-01
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Invited Presentations

Capacity building in science education in rural communities

Mayrose Salvador

SPP-2021-INV-1A-02
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A new approach to measuring subsurface water temperature using Raman spectroscopy and LIDAR methods

Helen Pask

SPP-2021-INV-1A-03
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Origin of two-step photon absorption in GaAs thin film by first-principles spin-orbit calculations and STM/STS measurements

Mary Clare Escaño

SPP-2021-INV-1B-01
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The dark Universe: Theory and data assemblies

Reginald Bernardo

SPP-2021-INV-1C-01
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Complex networks and physics

Kurunathan Ratnavelu

SPP-2021-INV-1D-01
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Brain imaging: From functional mapping to mind reading

Epifanio Bagarinao

SPP-2021-INV-1D-02
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Synthesis of large-area and high quality borophene on Ir(111) via thermal catalytic decomposition of borazine (B₃H₆N₃)

Karim M. Omambac

SPP-2021-INV-1E-06
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Driven-dissipative three-level Dicke model in an atom-cavity system

Jayson Cosme

SPP-2021-INV-1F-06
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Monitoring quantum Otto engines

Juzar Thingna

SPP-2021-INV-2A-01
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The Philippine STEAM education

Marie Paz E. Morales

SPP-2021-INV-2A-02
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Shortcuts and banked curves: Fast but high fidelity transport of ultracold atoms

Edward Carlo Samson

SPP-2021-INV-2B-01
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Femtosecond lattice and spin dynamics in solid-state materials

Muneaki Hase

SPP-2021-INV-2D-01
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Case studies of how the science of data drives industry and government innovations in the Philippines

Christopher Monterola

SPP-2021-INV-2D-02
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Exploring the dark Universe with gravitational waves

Michele Vallisneri

SPP-2021-INV-2D-03
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High stability Raman spectroscopy systems for nanoscale characterization

Maria Vanessa Balois-Oguchi

SPP-2021-INV-2F-01
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Influence on DNA cleavage activities by mutations in CRISPR/Cas9

Haibin Su

SPP-2021-INV-2G-01
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Quantum magnetism, spin liquids, and topology

Matthias Vojta

SPP-2021-INV-2H-01
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Anyon dynamics in fractional quantum Hall systems and their experimental implications

YANG Bo

SPP-2021-INV-2H-02
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A brief history of gravitational wave emission

Daniel Kennefick

SPP-2021-INV-3A-01
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Einstein gravity and beyond

Bum-Hoon Lee

SPP-2021-INV-3A-02
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Understanding proton complexity and finding cracks in the Standard Model

Cilicia Uzziel Perez

SPP-2021-INV-3B-01
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End-to-end physics reconstruction or what if we can't reconstruct new physics at the CERN LHC?

Michael Andrews

SPP-2021-INV-3B-02
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Stealth supersymmetry and the minimal universal extra dimensions in light of Run 2 of the Large Hadron Collider

Marvin M. Flores

SPP-2021-INV-3B-03
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Machine learning meets quantum matter

Juan Felipe Carrasquilla

SPP-2021-INV-3C-01
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Ab-initio Random Structure Searching (AIRSS) and machine learning: Applications in energy storage systems

Darwin Putungan

SPP-2021-INV-3C-02
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Innovating energy materials for zero-carbon societies

Katherine Develos-Bagarinao

SPP-2021-INV-3D-01
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Noisy quantum walk

Sithi Vinayakam Muniandy

SPP-2021-INV-3D-02
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Using lasers for generation of THz radiation

Ondrej Kitzler

SPP-2021-INV-3E-01
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Active matter: Applying the materials physics paradigm to biology

Aparna Baskaran

SPP-2021-INV-3G-01
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Which entropy increases in isolated quantum systems?

Dominik Šafránek

SPP-2021-INV-3G-02
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Atomic, Molecular, and Optical Physics

Symmetry breaking in a one-dimensional atom-cavity system with harmonic trap

Richelle Jade L. Tuquero, Jayson G. Cosme

SPP-2021-2B-02
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Canonical ensemble profile of a Fermi-Hubbard model treated as a double qubit chain

Vladimir Paat Villegas, Cristine Villagonzalo

SPP-2021-2B-03
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Vortex beam interaction with a step

Dina Grace C. Banguilan, Nathaniel P. Hermosa II

SPP-2021-2B-04
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All optical detection of T4 bacteriophage via near-infrared transmission spectroscopy

Ivan Cedrick M. Verona, Grace Lachica, Vince Paul Juguilon, Alexander De Los Reyes, Hannah Bardolaza, Neil Irvin Cabello, Gonzalo Serafica, Elmer Estacio

SPP-2021-2B-05
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Ni/Pt spintronic emitters as potential reliable THz source

John Paul Ferrolino, Neil Irvin Cabello, Alexander De Los Reyes, Hannah Bardolaza, Ivan Cedrick Verona, Valynn Katrine Mag-usara, Jessica Afalla, Miezel Talara, Hideaki Kitahara, Wilson Garcia, Armando Somintac, Arnel Salvador, Masahiko Tani, Elmer Estacio

SPP-2021-3E-02
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Semiconductor laser Michelson interferometer under full optical feedback

Anthony Paul Noquillo Fox, Caesar Saloma

SPP-2021-3E-03
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Accelerated phase aberration compensation using the fast principal component analysis algorithm

Christian Ray L. Buco, Percival F. Almoro

SPP-2021-3E-04
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Phase response of a novel Photonic Integrated Circuits-based tunable band-limited optical coupled-ring reflector (X-CRR) using criss-crossing directional coupler

John Christian Nacpil, Benjamin B. Dingel

SPP-2021-3E-05
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Biological and Medical Physics

Machine learning-based automation of COVID-19 screening using clinical dataset

Jezreel Sophia C. Lanuzo, Joverlyn Gaudillo, Ranzivelle Marianne Roxas-Villanueva, Beatrice Tiangco, Jason Albia

SPP-2021-3C-05
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Performance of support vector machines in pneumonia detection using chest x-ray images from Filipino cohorts

Melrose S. Tia, Lei Rigi P. Baltazar, Ranzivelle Marianne Roxas-Villanueva, Beatrice J. Tiangco, Ethel Dominique E. Viray, Jason R. Albia

SPP-2021-3C-06
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Identification of candidate genomic regions by integrating cluster analysis and genome-wide association studies

Princess Silva, Joverlyn Gaudillo, Ranzivielle Marianne Roxas-Villanueva, Beatrice Tiangco, Julianne Vilela, Mario Domingo, Jason Albia

SPP-2021-2G-02
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Machine learning approach to the classification of hepatitis B surface antigen seroclearance in hepatitis B virus

Nicole Cathlene Astrologo, Joverlyn Gaudillo, Ranzivelle Marianne Roxas-Villanueva, Beatrice Tiangco, Jason Albia

SPP-2021-2G-03
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Simulation of proton beam interaction with ovary and prostate tissues using SRIM software

Ramon Joseph A. Teoxon, Jeffrey D. Tare, Alvie J. Asuncion-Astronomo

SPP-2021-2G-04
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Numerical analysis of mechanical stress in a spherical cancerous tissue

Rian Fritz D. Jalandoni, Johnrob Y. Bantang

SPP-2021-2G-05
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Artificial intelligence for liver disease detection using ultrasound images

Desiree Anne Villanueva, Lei Rigi Baltazar, Ranzivelle Marianne Roxas-Villanueva, Beatrice Tiangco, Ethel Dominique Viray, Jason Albia

SPP-2021-2G-06
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Complex Systems and Data Analytics

Mesoscopic modeling framework for public transport traffic

Damian N. Dailisan, Adrian Chester M. Balingit, May T. Lim

SPP-2021-3C-03
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Entropy-based method for exploratory data analysis

Micholo Lanz B. Medrana, May T. Lim

SPP-2021-3C-04
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- Supplement
Effects of noise and particle density on pairwise transfer entropy of heading deviations in finite Vicsek flocks

Ronald B. Claros, Mergebelle D. Dengal

SPP-2021-3F-03
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Modified inelastic bouncing ball model of vibrated granular materials: Transmissibility and coefficient of restitution

Christian Jay P. Magsigay, Junius Andr´e F. Balista, Caesar A. Saloma

SPP-2021-3F-04
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Rider-centric analysis of Public Utility Vehicle route modernization in the National Capital Region

Damian N. Dailisan, May T. Lim

SPP-2021-3F-05
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Spatial network characterizations of centrally-concentrated artificial star clusters

Lanz Anthonee A. Lagman, Johnrob Y. Bantang

SPP-2021-3F-06
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Condensed Matter Physics and Materials Science

Terahertz emission of LT-GaAs and SI-GaAs photoconductive antenna devices at 1.55µm below-bandgap femtosecond laser excitation

Jairrus B. Publico, Ivan Cedrick M. Verona, Hannah R. Bardolaza, Neil Irvin F. Cabello, Alexander E. De Los Reyes, Elmer S. Estacio

SPP-2021-1B-02
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Electronic band structure calculations for monolayer NbSe₂ using tight-binding analysis

Bryan P. Pagcaliwagan, Edward Aris D. Fajardo

SPP-2021-1B-03
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Improved terahertz generation from a photoconductive antenna with metal line arrays

Neil Irvin Cabello, Hannah R. Bardolaza, Ivan Cedrick Verona, John Paul Ferrolino, Miguel Bacaoco, Armando Somintac, Arnel Salvador, Alexander De Los Reyes, Elmer Estacio

SPP-2021-1B-04
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Effect of off-axis geometry on the thickness profile of film produced by vacuum thermal evaporation

Jesse Rudyll B. Grefal, Rommil B. Emperado, Lean L. Dasallas, Wilson O. Garcia

SPP-2021-1B-05
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First-generation gamma-ray computed tomography (CT) imaging system: Application and capabilities

Denis A. Aquino, Janice P. Mallillin, John Paul Felix Maulion, Roider Pugal, John Axl Lipardo, Ezekiel Romero, Ramoncito F. Sulit, Vallerie Ann Samson

SPP-2021-1E-01
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Biburst pulses as temporal laser source term for pulsed laser ablation of metals

Jenny Lou B. Sagisi, Wilson O. Garcia, Lean L. Dasallas

SPP-2021-1E-02
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Demonstration of flip-over effect in laser-produced plasma expansion via Direct Simulation Monte Carlo method

Rommil B. Emperado, Lean L. Dasallas, Wilson O. Garcia

SPP-2021-1E-03
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SRIM simulation of proton irradiation effects on single-walled carbon nanotubes

Richelle H. Panaguiton, Jeffrey D. Tare, Alvie J. Asuncion-Astronomo

SPP-2021-1E-04
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Influence of strain on monolayer graphene on fluorinated ethylene propylene characterized by Raman spectroscopy

Rogie Madula, Vernalyn Copa, Horace Andrew Husay, Jamela Pangasinan, Charlene De Luna, Armando Somintac, Arnel Salvador

SPP-2021-1E-05
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Transient optical reflectivity in MoSe₂ under 785 nm and 810 nm pump excitation

Semmi Takamizawa, Yuta Komori, Takumi Fukuda, Manaka Kawamura, Keiji Ueno, Muneaki Hase, Jessica Afalla

SPP-2021-2F-02
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Frequency-tunable terahertz radiation from stimulated polariton scattering in MgO:LiNbO₃

Ameera Jose, Ondrej Kitzler, Helen Pask, David Spence

SPP-2021-2F-03
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Effect of electron irradiation on the THz emission of low temperature-grown GaAs/Si epilayers

Roni Andig, Craig Egan Allistair D. Tan, Gerald Angelo R. Catindig, Erick John Carlo D. Solibet, Alexander E. De Los Reyes, Horace Andrew F. Husay, Elizabeth Ann P. Prieto, Melvin John F. Empizo, Karl Cedric P. Gonzales, Ivan Cedrick M. Verona, Hannah R. Bardolaza, Vallerie Ann I. Samson, Giuseppe Filam O. Dean, Nobuhiko Sarukura, Armando S. Somintac, Elmer S. Estacio, Arnel A. Salvador

SPP-2021-2F-04
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Poster Session A (Condensed Matter Physics and Materials Science)

Improved film morphology after cold-bath quenching of electrophoretically deposited Bi₂Sr₂CaCu₂O₈ with LiCl as a supporting electrolyte

Maricar M. Rosete, Myles Allen H. Zosa, Roland V. Sarmago

SPP-2021-PA-01
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Improvement of terahertz emission in gallium arsenide photoconductive antennas coated with silicon nanowires via dropcasting

Neil Irvin Cabello, Alexander De Los Reyes, Vladimir Sarmiento, John Paul Ferrolino, Victor DC Andres Vistro, John Daniel Vasquez, Hannah Bardolaza, Hideaki Kitahara, Masahiko Tani, Arnel Salvador, Armando Somintac, Elmer Estacio

SPP-2021-PA-02
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Effects of temperature on strain and lattice anharmonicity in silicon nanowires as investigated by power-dependent Raman spectroscopy

Mylenne Manrique, Horace Andrew F. Husay, Elmer S. Estacio, Arnel A. Salvador, Armando S. Somintac

SPP-2021-PA-03
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An investigation of the terahertz emission properties of low-temperature-grown gallium arsenide photoconductive antenna devices using an equivalent circuit

Alexander E. De Los Reyes, Lourdes Nicole F. Dela Rosa, Ivan Cedrick M. Verona, Vince Paul P. Juguilon, Neil Irvin F. Cabello, Hannah R. Bardolaza, Elmer S. Estacio

SPP-2021-PA-04
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Entanglement detection via quantum Fisher information in an XY dimer

Rafael S. dela Rosa, Apolinario Miguel I. Tan, Francis N. C. Paraan

SPP-2021-PA-05
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Proton shielding efficiency of WC-LiBH₄-SBR for low Earth orbit satellites using PHITS

Ronah Ceniza Rollan, Alleah Garzon, Alexandra Vargas, Rhenish Simon

SPP-2021-PA-06
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Simulation study of fan-beam geometry set-up for industrial gamma-ray computed tomography

John Axl S. Lipardo, Ezekiel Raul D. Romero, Dennis A. Aquino, Janice P. Mallillin, John Paul Felix Maulion, Roider Pugal, Ramoncito F. Sulit, Roland V. Sarmago, Vallerie Ann I. Samson

SPP-2021-PA-07
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Effect of Fe doping on the structural and electronic properties of wurtzite ZnO using first principles calculations

Christian Loer T. Llemit, Roland V. Sarmago

SPP-2021-PA-08
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Poster Session B (Complex Systems, Photonics, and Interdisciplinary Topics)

Computational thermo-fluid analysis of a biomimetic vane design of car disc brake

Paolo B. Medina, Faye Marie J. Ugot, Rahjan O. Estabillo, Cyrus J. Ayala

SPP-2021-PB-01
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Experimental determination of configurational states present in conducting granular heap of disks

Sean Ivan S. Roxas, Matthew Joseph R. Banaag, Johnrob Y. Bantang

SPP-2021-PB-02
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Simplified cellular automata model of neuronal patch dynamics with generalized non-linear cell response

Reinier Xander A. Ramos, Johnrob Y. Bantang

SPP-2021-PB-03
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Effect of energy input on long-term velocity correlations of a rotating sphere in a vibrated sphere-beads system

Mergebelle D. Dengal, Adones B. Dengal, Joel T. Maquiling

SPP-2021-PB-04
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Monte Carlo simulations of a stochastic process with position-dependent resetting inspired by backtracked RNA polymerases

Adriana Marie T. Salvador, Jose Perico H. Esguerra

SPP-2021-PB-05
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Simulation of polychromatic x-ray transmission computed tomography process with tungsten-anode source and varying source filter thickness

Ezekiel Raul D. Romero, Roland V. Sarmago, Vallerie Ann I. Samson

SPP-2021-PB-06
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Robustness of a semi-blind deconvolution method applied to Raman spectra with Gaussian and Poisson noises

Troy Justin G. Go, Vincent Paul V. Munar, Marie Josephine M. De Luna, Roy B. Tumlos

SPP-2021-PB-07
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Optimization of initial guess phase for multiple intensity phase retrieval

Nathan Christopher Suelto, Percival Almoro

SPP-2021-PB-08
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Michelson-Gires-Tournois Interferometer (MGTI)-based analogue of the Thomas angle in special relativity with directional recovery

Clyde J. Calgo, Kent C. Soria, Julius Ray O. Guillermo, Benjamin B. Dingel

SPP-2021-PB-09
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Degree of polarization of reflected light on a fractal-fractal interface

Steven Francis F. Udaundo, Arianna Bianca E. Brosas, Rhenish C. Simon

SPP-2021-PB-10
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Numerical investigation on the size of speckle produced by phase modulation at the Fourier plane

Mario Juvenal S. Onglao III, Percival F. Almoro

SPP-2021-PB-11
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Robustness of phase retrieval under partially coherent illumination

Gelli Mae P. Gloria, Percival F. Almoro

SPP-2021-PB-12
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Design of an absolute spectral emission power distribution measurement system in the UV-Vis-NIR region using an integrating sphere head and spectrometer

Vince Paul P. Juguilon, Alexander E. De Los Reyes, Elmer S. Estacio

SPP-2021-PB-13
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Bessel beam profiles via radial and linear polarizer systems

Amante T. Ama

SPP-2021-PB-14
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Assessment of tropical cyclone frequency over Western North Pacific and North Indian Ocean from 1991‒2020

Florenz P. Pagulayan, Jem Marie E. Alabado, Carl Jing R. Ocsina, Raymond C. Ordinario

SPP-2021-PB-15
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Assessment of ERA5 reanalysis of the observed temperature in the Philippines

Karl Angelo C. Gulfan, Nerwin Chris C. Daga, Robin Cedric T. Leus, Patrick G. Padolina, Raymond C. Ordinario

SPP-2021-PB-16
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Deep learning approach for Cassava Phytoplasma Disease image classification

Aleth Julianne O. Caringal, Marisol P. Martinez, Sarah Jane B. Manaday, Malec Renz Jeremiah B. Martirez, Gideon Aries S. Burgonio, Melvin D. Ebuenga, Jason R. Albia, Ranzivelle Marianne L. Roxas-Villanueva

SPP-2021-PB-17
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Evaluating geospatial efficiency of facilities through Dirichlet tessellation areas and centroid proximity analysis

Elmo Domino R. Jose, Damian N. Dailisan, May T. Lim

SPP-2021-PB-18
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Putative mutations in selected bacterial housekeeping genes in response to space radiation exposure

Beatriz Allyne Carandang, Marilen P. Balolong, Mia Beatriz C. Amoranto, Roy B. Tumlos

SPP-2021-PB-19
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Correlating cultural values with COVID-19 outcomes

Hannah Christina C. Arjonillo, John Lawrence Euste, Caesar Saloma

SPP-2021-PB-20
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Orientation of Roman Catholic Churches in the Philippines

Benjamin Jose C. Ambrosio, Nathaniel P. Hermosa

SPP-2021-PB-21
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Extracting trip statistics from passive RFID detection and active vehicle location

Louie John M. Rubio, Noriel Christopher C. Tiglao, May T. Lim

SPP-2021-PB-22
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Ink drop velocity estimation – 3D visualization and analysis

Jemima Bian T. Anila, Maricor N. Soriano

SPP-2021-PB-23
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Poster Session C (Theoretical and Mathematical Physics)

On rescalability of generators of hyperdifferential operators

Leonarc Michelle Santos, Eric Galapon

SPP-2021-PC-01
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Definite integrals from the finite parts of divergent Mellin-type pole singularity integrals involving entire functions

Daniel Anthony L. Monge, Eric A. Galapon

SPP-2021-PC-02
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An example of a discrete coherent state quantization

Job A. Nable, Daisy Arnado Romeo

SPP-2021-PC-03
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Solutions to the time-energy canonical commutation relation using Weyl, Symmetric, and Born-Jordan basis operators

Ramon Jose C. Bagunu, Eric A. Galapon

SPP-2021-PC-04
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Boomerang photons around spherically symmetric black holes

Gabrielle Melissa Alhambra, Michael Francis Ian G. Vega II

SPP-2021-PC-05
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Dynamics of Newtonian and relativistic thin fluid shells

Juan Martin N. Rodrigo, Josue Luis Villarin, Lyle Geraldez, Adam Mendoza, Ian Vega

SPP-2021-PC-06
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Cosmic expansion with perturbed Friedmann equations

Carl Justin Palpal-latoc, Michael Francis Ian G. Vega II

SPP-2021-PC-07
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Accelerated Schwarzschild orbits in an external tidal field

Willard Roy D. Alzate, Michael Francis Ian G. Vega II

SPP-2021-PC-08
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Energy shifts of photons crossing an Alcubierre warp drive

Lemuel Gavin G. Saret, Michael Francis Ian G. Vega II

SPP-2021-PC-09
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Construction of time of arrival operators for the inverse square potential

Austin S. Dizon, Eric A. Galapon

SPP-2021-PC-10
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Integral representations of the derivatives of the Gauss hypergeometric function with respect to its parameters

Lloyd Llena Villanueva, Eric A. Galapon

SPP-2021-PC-11
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Localization operators on the Euclidean motion group on the plane

Laarni B. Natividad, Job A. Nable

SPP-2021-PC-12
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Shifted solution to the time kernel equation

Ralph Adrian E. Farrales, Eric A. Galapon

SPP-2021-PC-13
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Equatorial charged particle motion around a homogeneously magnetized Newtonian center

John Rommel V. Oidem, Michael Francis Ian G. Vega II

SPP-2021-PC-14
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Multidimensional diffusion coefficient measurements using the ensemble-mean squared displacement method

Jocam Joshua H. Camara, Adrielle Theresa DL. Cusi, Caesar A. Saloma

SPP-2021-PC-15
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Buchdahl surface of anisotropic compact objects

Joshua Beethoven P. Bautista, Michael Francis Ian G. Vega II

SPP-2021-PC-16
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Generalized Hellings-Downs function for an anisotropic electromagnetic wave background

Jhon Delo L. Procurato, Michael Francis Ian G. Vega II

SPP-2021-PC-17
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About the Journal

Current Issue

Keynote Address

Invited Presentations

Atomic, Molecular, and Optical Physics

Biological and Medical Physics

Complex Systems and Data Analytics

Condensed Matter Physics and Materials Science

Cosmology and Astrophysics

Fields and Particle Physics

Instrumentation and Environmental Physics

Physics Education

Theoretical and Mathematical Physics

Poster Session A (Condensed Matter Physics and Materials Science)

Poster Session B (Complex Systems, Photonics, and Interdisciplinary Topics)

Poster Session C (Theoretical and Mathematical Physics)

SPP2021 Co-organizers and Partner Institutions

SPP2021 Sponsors