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Muyuan He (University of Houston)24/02/2024, 13:00
Introduction to neutrino oscillation, atmospheric neutrino, NOvA experiment and non-standard neutrino interaction on atmospheric neutrinos.
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Waligo David24/02/2024, 13:00
In recent years, gas sensors have been increasingly used in daily life to enhance the ability of human beings to perceive the surroundings. Gas sensors are commonly used for process automation, dangerous gas leak detection, environmental pollution monitoring, and breath analysis to identify drunk driving. Metal oxide gas sensors utilize changes in the electrical conductivity of semiconducting...
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Atrayee Sarkar (University of Houston)24/02/2024, 13:00
Mutations in the Superoxide Dismutase 1 (SOD1) protein may cause misfolding and aggregation leading to the neurodegenerative disease ALS. Despite numerous studies a clear understanding of the impact of electrostatics and crowding on the folding and aggregation of SOD1 remains lacking. In this work, we use a structure-based model and molecular dynamics simulation to study the effects of...
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Yi-Kai Mo24/02/2024, 13:00
The mechanisms through which evolution shapes biological organisms remain a mystery. It has been hypothesized that organisms evolve to increase their information. We consider the evolution of a population of Boolean networks, which we take as models of gene regulatory networks, through an evolutionary game framework utilizing mutation and fitness. Fitness is a function of the mutual...
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Micheal Kahangirwe24/02/2024, 13:00
We present a novel construction of the QCD equation of state (EoS) at finite baryon density. Our work combines a recently proposed resummation scheme for lattice QCD results with the universal critical behavior at the QCD critical point. This allows us to obtain a family of equations of state in the range $0 \leq \mu_B \leq 700$ MeV and 25 MeV $\leq T \leq 800$ MeV, which match lattice QCD...
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Dat Tran (University of Houston)24/02/2024, 13:00
The NuMI Off-Axis nu_e Appearance (NOvA) is an experiment designed to study neutrino oscillations. It utilizes two detectors, one located in Batavia, Illinois (the near detector), and the other one located in Ash River, Minnesota (the far detector). NOvA’s neutrino oscillation analyses require precise correlation of events in the detector with the narrow 10μs NuMI neutrino beam pulses. The...
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Donnie Munford24/02/2024, 13:00
The T2K experiment is designed to study neutrino oscillations and the associated oscillation parameters. It utilizes a set of two detectors, the near detector is located near the beam target in Tokai, Japan and the far detector is located in Kamioka, Japan. Since the far detector (SK) uses Water-Cherenkov radiation to detect outgoing particles from a neutrino interaction, constraining the...
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Jingcheng Yuan24/02/2024, 13:00
Traditional X-ray imaging methods often struggle to capture detailed structures within soft tissues due to their limited contrast capabilities. In response, this study introduces Single-Mask X-ray Phase Contrast Imaging (PCI), a pioneering technique aimed at enhancing the visualization of subtle tissue differences. Our focus lies in the single-mask approach, which utilizes a periodic X-ray...
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Paththini Kuttige nonis (Department of Physics, Texas CDepartment of Physics and Texas Center for Superconductivity University of Houston)24/02/2024, 13:00
This paper illustrates a liquid mixing device that generates ultrasonic waves through shining pulse laser of a Gold implanted fiber optic cable and uses the laser streaming to accomplish the mixing liquids with different viscosities in centrifuge tube. Pure gold nanoparticles were implanted beneath the surface of the glass fiber optics cable. The pulse laser (527nm wavelength) was used to...
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Uchenna Ubeh24/02/2024, 13:00
Since the discovery of graphene, two-dimensional (2D) materials have sparked great interest among condensed matter physicists. These materials exhibit new physical properties, and their magnetic versions promise numerous applications for spintronics, optoelectronic devices, and quantum computing hardware. 2D magnets are attractive on their own, but the van der Waals (VdW) form has exhibited...
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Timothy Burt (University of Houston)24/02/2024, 13:00
We discuss our plans to incorporate strategies from physics into AI-SNIPS (AI-Support for Network Intelligence-Based Pharmaceutical Security), a cloud-based platform designed for the domain of Illicit, Substandard, and Falsified Medical Products (ISFMP) that enables stakeholder decision-making, secure data sharing, and interdisciplinary research. The project is separated into software...
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Vidhi Vidhi (Dr. Shuo Chen's Research Group & Texas Center for Superconductivity at UH)24/02/2024, 13:00
Electrochemical water splitting emerges as a pivotal strategy for sustainable hydrogen energy production. Alkaline water electrolysis offers a facile pathway to yield pure hydrogen. However, due to its intrinsically sluggish kinetics, the anodic oxygen evolution reaction (OER) poses a formidable challenge. Overcoming this hurdle demands efficient water oxidation electrocatalysts to mitigate...
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Chamini Pathiraja (University of Houston)24/02/2024, 13:00
The recent discovery of ferromagnetism in 2D van der Waals Chromium trihalides CrX$_3$ (X = Cl , Br and I) down to the monolayer has gain research attraction because of their interesting electronic and magnetic properties. The magnetic properties of CrX$_3$ can be manipulated by applying perturbations such as external magnetic field, strain, pressure. This makes CrX$_3$ prime candidates for...
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Abhijit Bera (University of Houston)24/02/2024, 13:12
Diffusive behavior is normally governed by the Central Limit Theorem (CLT), which states that the displacement in the limit of large time has a Gaussian distribution with a width that increases as square root of time. However, diffusive behavior that differs from the CLT is found in a wide array of experimental systems. The root causes of anomalous diffusive behavior can be identified by...
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Hitansh Shah24/02/2024, 13:12
Lattice QCD calculations show that there is an analytic crossover from hadron resonance matter to a deconfined quark gluon plasma at vanishing baryon chemical potential. Many models predict that this analytic crossover changes to a line of first order phase transition at finite baryon chemical potential with a critical point. Due to the Fermi sign problem, we cannot have the lattice...
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Subash Bhandari24/02/2024, 13:12
Hydrogen fuel cells have proven to be the best alternative to fossil fuels for ecofriendly and high performing clean power generation. Among the various types of fuel cells, proton exchange membrane fuel cell (PEMFC) has demonstrated a wider range of applications mainly because of low operating temperature (50 oC – 80 oC), high efficiency, and higher power range (1KW – 100 KW). In PEMFC, the...
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Daniel Huff (University of Houston)24/02/2024, 13:24
A plurality of collaborations around the world today employ time projection chambers (TPCs) in highly sensitive detectors to search for evidence of rare particles. The dual-phase TPC detector concept relies on two unique (but related) event signals, S1 and S2, to increase a detector’s robustness against background influences. The Darkside-20k experiment applies this idea to the pursuit of dark...
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Ms TANIA GHOSH (University of Houston)24/02/2024, 13:24
Arguably the most fundamental problem in Network Science is finding structure within a complex network. One approach is to partition the nodes into communities that are more densely connected than one expects in a random network. “The” community structure corresponds to the partition that maximizes a measure that quantifies this idea. Finding the maximizing partition, however, is a...
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Mr Thacien Habamahoro (University of Houston, Physics department, Texas Center for Superconductivity)24/02/2024, 13:24
The unique simultaneous appearance of zero resistivity and magnetic field expulsion enable superconductors to have tremendous potential for various applications, such as efficient electric power transmission, much smaller or more powerful magnets, magnetic levitation, high-speed computing, etc. The superconducting critical transition temperature (Tc) has continuously been enhanced owing to the...
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Siddharth Jindal24/02/2024, 13:36
The eigenstate thermalization hypothesis (ETH), the leading conjecture for the emergence of statistical mechanics in quantum systems, is formulated in terms of matrix elements of observables. However, much stronger statements about chaotic systems are available from the structure of their eigenstates. The ETH has recently been reinterpreted in terms of the mathematical subject of free...
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Byaruhanga Paul (Department of Physics and Texas center for superconductivity)24/02/2024, 13:36
Pursuing hydrogen fuel via water electrolysis has attracted much attention to overcome the diminishing reserves of fossil fuels and their environmental repercussions. The efficiency of water electrolysis largely hinges on overcoming the inherently sluggish kinetics of oxygen evolution reaction (OER). Innovating highly active, durable, cost-effective OER electrocatalysts is essential,...
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FNU Rutik24/02/2024, 13:36
The RHIC Beam Energy Scan (BES-I) program, which covers center-of-mass energies
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7.7 GeV to 39 GeV, was proposed to look for the turn-off of signatures of the quark gluon
plasma, search for a possible QCD critical point, and study the nature of the phase transition between hadronic and partonic matter. RHIC BES-I has shown that the partonic interactions are dominant at center-of-mass energies... -
A Hutson (University of Houston (US))24/02/2024, 13:48
In an effort to better understand the thermal-like behavior and particle yields seen in p-p collisions we recast the problem employing the principles of quantum states and their entanglement in the produced system. We seek to show that this entanglement in the initial state has a measurable effect on the evolution of the system and is the driving mechanism behind the thermal-like behavior and...
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Aymen Nomani (University of Houston)24/02/2024, 13:48
Inspired by Kitaev's Honeycomb Model, we take a qutrit honeycomb circuit and perform repeated measurements to find that when the probability of pz>> px, py, it encodes a logical qutrit.
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Jayajeewana Ranhili Pelige (University of Houston)24/02/2024, 13:48
Ultrafast Electron Diffraction Studies in the Two-Dimensional Magnet CrSBr
CrSBr is an air-stable, novel two-dimensional (2D) magnetic van der Waals (vdW) single crystal that received intense study as a future spintronics material. The material shows some interesting properties such as a large optical band gap (~ 1.5 eV), strong spin-phonon coupling (SPC) effect, quasi 1-D electronic...
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Iris Likmeta (University of Houston (US))24/02/2024, 14:00
At the Large Hadron Collider (LHC), at CERN, we are able to create the hottest and the densest conditions which are similar to those at the beginning of the Universe. During the past ten years, we observed the existence of Quark Gluon Plasma (QGP) which is formed at the early stages of heavy ion collisions. The measurements we obtained led to significant progress for understanding its...
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Suraj Pradhan24/02/2024, 14:00
In recent times, there has been a growing interest in thermoelectric Zintl compounds due to their excellent thermoelectric performance across various families. Among these, Mg3Sb2-based Zintl compounds have garnered attention as potential thermoelectric materials. However, their effectiveness is hindered by weak electrical transport properties stemming from their p-type nature. The poor...
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Swadeepan Nanda24/02/2024, 14:00
Recent discoveries of pressure-influenced superconducting critical temperature(Tc) in semi-metallic transition metal dichalcogenides(WTe2, MoTe2) have intrigued deep research on TMDs. Both the semi-metallic TMDs have been found to host the Weyl semi-metal phase with tilted Weyl nodes. Using a semiclassical picture to bypass the hurdle of bulk-surface inseparability, we derive the...
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Bishnu Karki24/02/2024, 14:12
Recent reports of room temperature ambient pressure superconductivity in LK-99 sparked tremendous excitement. While the materials is no longer believed to be superconducting, interest in its electronic and topological properties of the material still stands. Here, we utilize first-principle density functional theory and augment a recently proposed model tight-binding Hamiltonian to study the...
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Ahmed Abuali24/02/2024, 14:12
We apply Machine Learning (ML) and Deep Learning (DL) techniques to the classification of phase transitions in statistical models, with a focus on binary classification. Our goal is to test whether a classification is possible based on configurations only, without the need of calculating an order parameter. The study concentrates on the recognition of phase transitions in prominent spin models...
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Ethan Speakman24/02/2024, 14:12
Two well-known facets in protein synthesis in eukaryotic cells are transcription of DNA to pre-RNA in the nucleus and the translation of messenger-RNA (mRNA) to proteins in the cytoplasm. A critical intermediate step is the removal of segments (introns) containing ∼97% of the nucleic acid sites in pre-RNA and sequential alignment of the retained segments (exons) to from mRNA through a process...
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Samuel Oedi24/02/2024, 14:24
The use of computer-based exams has become increasingly popular in educational settings due to their potential benefits, such as efficient distribution and grading, immediate feedback, as well as reduced paper usage. However, the effectiveness of computer-based exams in terms of student learning and performance is still a topic of debate. Therefore, this study aims to compare the performance...
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Navmi Naik24/02/2024, 14:24
Seawater electrolysis stands as a promising technology for sustainable hydrogen production and desalination. It consists of two processes, Oxygen Evolution Reaction (OER) and Hydrogen Evolution Reaction (HER). A bifunctional catalyst plays the crucial role of performing both these reactions simultaneously thus reducing the cost of this technology. This study focuses on the synthesis and...
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Aranya Giri (University of Houston)24/02/2024, 14:25
A crucial component to the EIC program is the determination of the collider luminosity. It will be measured through photon emission in the Bethe-Heitler process as it was at HERA. The anticipated high luminosity at the EIC presents several new challenges that necessitate improvements to the base ZEUS pair spectrometer design, which utilizes e+e- conversions of the Bremsstrahlung photons. The...
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Johnathan Sanderson24/02/2024, 14:36
The charge density wave (CDW) is known to carry electric current en masse, but the transport mechanism remains poorly understood at the microscopic level. Its quantum nature is revealed by several experiments, including h/2e Aharonov-Bohm oscillations in CDW conductance vs. magnetic flux in TaS3 rings. Here we discuss further evidence for quantum transport [1]. We find that, for temperatures...
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JUNAID UR REHMAN24/02/2024, 14:36
This study investigates the thermoelectric properties of Mg₃Bi₂ compounded with varying amounts of Bi₂Te₃ to enhance its thermoelectric performance for cooling applications. The composites were synthesized using a solid-state reaction by ball milling method and characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDS), ZEM 3...
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Mr Volodymyr Kuznietsov (University of Houston)24/02/2024, 14:38
We analyze particle number fluctuations in the crossover region near the critical endpoint of a first-order phase transition in baryon-rich matter by utilizing microscopic molecular dynamics simulations of the classical non-relativistic Lennard-Jones fluid. We extend out previous studies by incorporating longitudinal collective flow to model the expansion dynamics in heavy-ion...
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Jeseleth Van Rose24/02/2024, 14:50
Proton-proton (pp) collisions with high charged-particle multiplicities at the LHC have revealed similar phenomena to the observed in Pb-Pb collisions, where a strongly interacting Quark Gluon Plasma (sQGP) is created. These include the observations of radial and anisotropic flow and the enhanced production of strange particles. Since the mechanisms for hadron production are currently not well...
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Larry Guan
The radiant energy budget is a fundamental geophysical quantity of great scientific interest for planets and moons. However, detailed studies on the temporal variations of the radiant energy budget for planetary bodies other than Earth are relatively limited. Using thermal and visible measurements obtained from the Mars Global Surveyor spacecraft, we provide the first study on the meridional...
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