## PHYSICS DIVISION

## Astrophysics, Particle Physics, and Nuclear Physics Research.

The cluster is involved with the investigation of inflationary cosmology. This field is effectively a merger of ideas from particle physics (quantum fields and fundamental particles) and cosmology (universe). On top of this, the cluster is also involved in the study of nuclear physics within the context of astrophysics such as nucleosynthesis in the early universe. At the undergraduate level, students may venture into the wider area of astrophysics including planetary simulations, structure formation, numerical relativity, amongst others. The cluster aims to advance the field of Astrophysics, Particle Physics, and Nuclear Physics in the country

**Subgroups**

**Cosmology and Particle Physics**. The areas of cosmology and particle physics might seem at first sight, like two non-intersecting sets; one deals with something very big while the other one deals with very small things. However, in the course of evolution of the Universe, it was once “small”; in fact, unimaginably very “small”. In order to investigate the “small” Universe and how it brought to life the “big” Universe that we have now, we need to combine Particle Physics and Cosmology. Our area of research is basically just this combination; in particular, we deal with inflationary cosmology. It involves the study of primordial cosmological perturbations that gave rise to what we nowadays observe as galaxies and clusters of galaxies.

**Astrophysics and Nuclear Physics**. In the course of study of astrophysical systems knowledge of nuclear physics, is crucial in investigating thermonuclear reactions, radiation, nucleon interactions, and formation of elements amongst others. Furthermore, in the context of cosmology, nuclear physics play an important role in understanding nucleosynthesis in the early stages of the development of the Universe. On top of cosmology and particle physics, currently the group is involved in the study of nuclear physics within the context of astrophysics (and cosmology). We are open for new brilliant minds to enrich our group and extend the current boundary of our study of nuclear physics.

Astrophysics focusing on modern cosmology

Particle Physics focusing on primordial quantum fluctuations

Dr. Allan L. Alinea

## Analytics, Complex, and Environmental Systems

The Analytics, Complex, and Environmental Systems (ACES) Laboratory of IMSP, using theoretical, experimental, and computational physics, studies systems whose behavior and interaction are not simple sums of the behavior and interaction of their components, such as granular materials, social, biological and environmental systems.

**Subgroups**

The **Balista Group** investigates and creates models of the flow and segregation of granular materials.

The **Piñol Group **explores the possibility of adopting models in physics in the study of population dynamics and ecological interactions.

The **DARELab** is a multidisciplinary research laboratory which focuses on utilizing applied physics, complexity science and machine learning techniques to investigate the dynamics of social, biological, health and environmental systems.

Dr. Junius Andre F. Balista

Dr. Chrysline Margus N. Piñol (on leave)

Dr. Ranzivelle Marianne L. Roxas-Villanueva

Ms. Marisol P. Martinez

## Condensed Matter and Statistical Physics

The Condensed Matter and Statistical Physics cluster is composed of eight faculty members and one research staff, and whose roster includes both theoretical and condensed matter physicists. Theoretical work in this field is focused on quantum transport in nanoscale devices, non-equilibrium thermodynamics, electronic structure calculations, novel 2D materials, surfaces and interfaces, while experimental work is primarily centered on characterization of low-dimensional systems using spectroscopic techniques such as FTIR and XPS, as well as STM. Some members have also forged collaborations with colleagues working on closely related fields such as atomic and molecular physics, photonics, and materials physics.

Solid state physics

Non-equilibrium thermodynamics

Physics of low-dimensional systems

Nanophysics and Nanotechnology

Surfaces and interfaces

Dr. Marvin A. Albao

Dr. Eduardo C. Cuansing, Jr

Dr. Ivy R. Colambo

Dr. Allan Abraham B. Padama

Dr. Darwin B. Putungan

Asst. Prof. Lou Serafin Lozada (on study leave)

Asst. Prof. Marco Miguel Parel

Mr. John Symon Dizon

**Research Staff**

Dr. John Raphael Barrios

**Collaborator**

Dr. Marvin U Herrera

Filled-state STM image of graphene with Si atoms incorporated in the graphene lattice (photo courtesy of Dr. IR Colambo)

**Subgroup**

**Materials Computations Group (MatCom)**. The Group’s main research thrust is to perform Quantum Mechanics-based first-principles calculations to reveal materials’ electronic properties, predict materials’ physical properties, support and supplement experimental findings, and provide insights on materials/systems that cannot be probed by experiments.

Topics include:

- First-principles calculations
- Energy conversion and storage
- Computational catalysis
- Low-dimensional materials
- Machine-learning for materials informatics

## Materials Physics and Engineering

The Materials Physics and Engineering (MPE) cluster is a group of dynamic and resourceful researchers that utilizes experimental and/or computational techniques in designing and fabricating materials. From these fabricated materials, our cluster intends to collaborate with different stakeholders to develop products/technologies that can be beneficial to our society.

**Subgroup**

The **Surface and Interface Research Group (SIRG)** is group of researchers who are engaged in tailoring the surfaces and/or the interfaces of various materials to do specific functions.

In 2018, SIRG was recognized as the CAS Outstanding Research Team and the group’s head, Dr. Marvin U. Herrera, the CAS Outstanding Researcher (Senior Faculty Category).

p-n junctions

Computational MatPhy

Core-shell structures

Functionalization

Stimulus triggered-released

Coating and Deposition

Dr. Marvin U. Herrera

Dr. Alexandra B. Santos-Putungan

Asst. Prof. Jason R. Albia

Asst. Prof. Dustin Loren V. Almanza

Asst. Prof. Maria Carmela T. Garcia (on study leave)

Asst. Prof. Armida V. GIllado (on study leave)

**Collaborators**

Dr. Ivy R. Colambo

Dr. Chrysline Margus N. Piñol (on leave)

Dr. Ranzivelle Marianne L. Roxas-Villanueva

Dr. Alvin Karlo G. Tapia

## Optics and Instrumentation

Optics and instrumentation physics research cluster has interests in the design and building of scientific instruments and devices for measurement and analysis. Also, the cluster is involved in robotics and automation for agricultural, environmental and various industrial applications. The researches respond to answer fundamental science problems and global needs for sustainable future.

Environmental Instrumentation

Hand-held Devices

Materials Characterization and Spectroscopy

Biomedical Physics

Nanosensors

Robotics and Automation

Dr. Alvin Karlo G. Tapia

Assoc. Prof. Nelio C. Altoveros

Asst. Prof. Emmanuel A. Florido

Mr. Arvin Lester C. Jusi

**Collaborator**

Dr. Ranzivelle Marianne L. Roxas-Villanueva

**Subgroup**

**Applied Spectroscopy Research Group (ASRG)** – main interest of the group is the fundamental interactions of light and sound on matter and its potential measurement applications. Specifically, the group aims to:

- elucidate properties that have significance in the applications of materials
- study a wide range of materials including polymers, composites, oxides and biological materials
- employ both experimental, computational techniques and machine learning for spectroscopy and imaging

## Physics Education

The Physics Education Research Cluster aims to contribute to the understanding and improving of the critical processes in the learning and teaching of physics for high school and undergraduate level.

Our current activities involve development of pedagogies in the classroom and development of methods and instruments for delivering general physics courses.

Pedagogies: Active learning, Collaborative learning, Problem-based

learning, Informal learning, and Blended learning

Assessments: Classroom assessment, Authentic assessment

Asst. Prof. Jacqueline T. Cuansing

Assoc. Prof. Rosemarie D. Eusebio

**Collaborators**

Dr. Chrysline Margus N. Piñol

Dr. Ranzivelle Marianne L. Roxas-Villanueva

Preservice teachers under the Mathematics and Science Teaching

(MST) Program (BS MST – Physics Majors)

**Completed projects**

Flipped classroom model by Juan Enrico M. Reyes and Prof. Rosemarie Eusebio (adviser)

Bringing Physics Closer to You – An interactive physics exhibition featuring 14 exhibits (Heads: Prof. Jacqueline T. Cuansing and Prof. Chrysline Margus N. Piñol, and Volunteers: IMSP Faculty, Students, and Staff; Sponsor: University of the Philippines Alumni Association-Netherland chapter)

Quantifying the effect of student video projects on scientific creativity by Christopher Rae B. Gigantana and Prof. Rosemarie D. Eusebio (adviser)

Assessment of conceptual understanding and perception of PHYS 3 students on the flipped classroom approach by Jil Harry C. Algabre and Prof. Rosemarie D. Eusebio (adviser)

Development of physics role-playing activities based on the bahay-bahayan concept by Brine Austin G. Ayun and Prof. Rosemarie D. Eusebio (adviser)

Development of Junior High School science activities in force, motion, and energy based on traditional Filipino games by Hyacinth DG Castro and Prof. Rosemarie D. Eusebio (adviser)

Enhancing the level of authenticity of traditional test items and problem-solving activities in physics by Mardocheo Y. Crispiño and Prof. Rosemarie D. Eusebio (adviser)

Development and evaluation of authentic assessment packages for Grade 7 science classes by Alexis Parco and Prof. Rosemarie D. Eusebio (adviser)

## Quantum Information and Foundations of Quantum Mechanics

The time-dependent Schrodinger Equation is the fundamental equation of non-relativistic quantum mechanics. We study the time-dependent aspects of quantum physics in terms of wavepackets, correlation functions, semiclassical methods, and numerical methods. An analytical description of the system in terms of wavepackets provides a great aid to physical intuition and can be used as a starting point for developing a wide variety of semiclassical approximations in many physical situations.

The field of quantum information arose in the 1980s from questions about the limits imposed by quantum physics on the processing of information such as the transfer and identification of quantum states, and the construction and operation of computational devices.

Dr. Anthony Allan D. Villanueva

Asst. Prof. Rona F. Barbarona (on study leave)

Ms. Noimi P. Sanchez