Sounak Biswas
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View article: Compression theory for inhomogeneous systems
Compression theory for inhomogeneous systems Open
View article: Classification of spin-$1/2$ fermionic quantum spin liquids on the trillium lattice
Classification of spin-$1/2$ fermionic quantum spin liquids on the trillium lattice Open
We study fermionic quantum spin liquids (QSLs) on the three-dimensonal trillium lattice of corner-sharing triangles. We are motivated by recent experimental and theoretical investigations that have explored various classical and quantum sp…
View article: X-Band Radar and Surface-Based Observations of Cold-Season Precipitation in Western Colorado’s Complex Terrain
X-Band Radar and Surface-Based Observations of Cold-Season Precipitation in Western Colorado’s Complex Terrain Open
Hydrologic processes associated with intermountain cold-season precipitation in the Upper Colorado River basin have important impacts on avalanche forecasting and water resource management. However, traditional weather radar networks strug…
View article: Quantum Fisher information in a strange metal
Quantum Fisher information in a strange metal Open
A strange metal is an exotic state of correlated quantum matter; intensive efforts are ongoing to decipher its nature. Here we explore whether the quantum Fisher information (QFI), a concept from quantum metrology, can provide new insight.…
View article: Study of Microphysical Signatures Based on Spectral Polarimetry during the RELAMPAGO Field Experiment in Argentina
Study of Microphysical Signatures Based on Spectral Polarimetry during the RELAMPAGO Field Experiment in Argentina Open
Weather radars with dual-polarization capabilities enable the study of various characteristics of hydrometeors, including their size, shape, and orientation. Radar polarimetric measurements, coupled with Doppler information, allow for anal…
View article: Supporting Advancement in Weather and Water Prediction in the Upper Colorado River Basin: The SPLASH Campaign
Supporting Advancement in Weather and Water Prediction in the Upper Colorado River Basin: The SPLASH Campaign Open
Water is a critical resource that causes significant challenges to inhabitants of the western United States. These challenges are likely to intensify as the result of expanding population and climate-related changes that act to reduce runo…
View article: Minimal Hubbard models of maximal Hilbert space fragmentation
Minimal Hubbard models of maximal Hilbert space fragmentation Open
We show that Hubbard models with nearest-neighbor hopping and a nearest-neighbor hardcore constraint exhibit `maximal' Hilbert space fragmentation in many lattices of arbitrary dimension $d$. Focusing on the $d=1$ rhombus chain and the $d=…
View article: Discrete scale invariant fixed point in a quasiperiodic classical dimer model
Discrete scale invariant fixed point in a quasiperiodic classical dimer model Open
We study close-packed dimers on the quasiperiodic Ammann-Beenker (AB) graph, that was recently shown to have the unusual feature that hard-core dimer constraints are exactly reproduced at successive discrete length scales. This observation…
View article: Compression theory for inhomogeneous systems
Compression theory for inhomogeneous systems Open
The physics of complex systems stands to greatly benefit from the qualitative changes in data availability and advances in data-driven computational methods. Many of these systems can be represented by interacting degrees of freedom on inh…
View article: Overview of X-Band radar deployments in the Advanced Quantitative Precipitation Information (AQPI) System
Overview of X-Band radar deployments in the Advanced Quantitative Precipitation Information (AQPI) System Open
View article: Advanced Quantitative Precipitation Information: Improving Monitoring and Forecasts of Precipitation, Streamflow, and Coastal Flooding in the San Francisco Bay Area
Advanced Quantitative Precipitation Information: Improving Monitoring and Forecasts of Precipitation, Streamflow, and Coastal Flooding in the San Francisco Bay Area Open
Advanced Quantitative Precipitation Information (AQPI) is a synergistic project that combines observations and models to improve monitoring and forecasts of precipitation, streamflow, and coastal flooding in the San Francisco Bay Area. As …
View article: Statistical mechanics of dimers on quasiperiodic Ammann-Beenker tilings
Statistical mechanics of dimers on quasiperiodic Ammann-Beenker tilings Open
We study classical dimers on two-dimensional quasiperiodic Ammann-Beenker (AB) tilings. Using the discrete scale-symmetry of quasiperiodic tilings, we prove that each infinite tiling admits “perfect matchings”, where every vertex is touche…
View article: Beyond the freshman's dream: Classical fractal spin liquids from matrix cellular automata in three-dimensional lattice models
Beyond the freshman's dream: Classical fractal spin liquids from matrix cellular automata in three-dimensional lattice models Open
We construct models hosting classical fractal spin liquids on two realistic\nthree-dimensional (3D) lattices of corner-sharing triangles: trillium and\nhyperhyperkagome (HHK). Both models involve the same form of three-spin Ising\ninteract…
View article: Dulmage-Mendelsohn Percolation: Geometry of Maximally Packed Dimer Models and Topologically Protected Zero Modes on Site-Diluted Bipartite Lattices
Dulmage-Mendelsohn Percolation: Geometry of Maximally Packed Dimer Models and Topologically Protected Zero Modes on Site-Diluted Bipartite Lattices Open
The classic combinatorial construct of maximum matchings probes the random geometry of regions with local sublattice imbalance in a site-diluted bipartite lattice. We demonstrate that these regions, which host the monomers of any maximum m…
View article: Retrieving microphysical properties of concurrent pristine ice and snow using polarimetric radar observations
Retrieving microphysical properties of concurrent pristine ice and snow using polarimetric radar observations Open
Ice and mixed-phase clouds play a key role in our climate system because of their strong controls on global precipitation and radiation budget. Their microphysical properties have been characterized commonly by polarimetric radar measureme…
View article: Hydrodynamic nonlinear response of interacting integrable systems
Hydrodynamic nonlinear response of interacting integrable systems Open
Significance Studying the response of a system to external fields yields information on its macroscopic order as well as its microscopic properties. While working to linear order in field strength often suffices to describe experiments, re…
View article: Comment on amt-2021-168
Comment on amt-2021-168 Open
Abstract. Ice and mixed-phase clouds play a key role in our climate system because of their strong controls on global precipitation and radiation budget. Their microphysical properties have been characterized commonly by p…
View article: Retrieving microphysical properties of concurrent pristine ice and snow using polarimetric radar observations
Retrieving microphysical properties of concurrent pristine ice and snow using polarimetric radar observations Open
Ice and mixed phase clouds play a key role in our climate system, because of their strong controls on global precipitation and radiation budget. Their microphysical properties have been characterized commonly by polarimetric radar measurem…
View article: Statistical mechanics of dimers on quasiperiodic tilings
Statistical mechanics of dimers on quasiperiodic tilings Open
We study classical dimers on two-dimensional quasiperiodic Ammann-Beenker (AB) tilings. Despite the lack of periodicity we prove that each infinite tiling admits 'perfect matchings' in which every vertex is touched by one dimer. We introdu…
View article: Improving Quantitative Precipitation Estimation by X-Band Dual-Polarization Radars in Complex Terrain Over the Bay Area in California, USA
Improving Quantitative Precipitation Estimation by X-Band Dual-Polarization Radars in Complex Terrain Over the Bay Area in California, USA Open
Recently, an X-Band radar with dual-polarization capabilities was deployed in Santa Rosa, California to aid in monitoring precipitation and to provide high resolution QPE by better understanding the rainfall processes in this region. The d…
View article: A Bayesian Correction Approach for Improving Dual-frequency Precipitation Radar Rainfall Rate Estimates
A Bayesian Correction Approach for Improving Dual-frequency Precipitation Radar Rainfall Rate Estimates Open
The accurate estimation of precipitation is an important objective for the Dual-frequency Precipitation Radar (DPR), which is located on board the Global Precipitation Measurement (GPM) satellite core observatory. In this study, a Bayesian…
View article: Gravitomagnetism and pulsar beam precession near a Kerr black hole
Gravitomagnetism and pulsar beam precession near a Kerr black hole Open
A rotating black hole causes the spin axis of a nearby pulsar to precess due to geodetic and gravitomagnetic frame-dragging effects. The aim of our theoretical work here is to explore how this spin precession can modify the rate at which p…
View article: Efficient quantum cluster algorithms for frustrated transverse field Ising antiferromagnets and Ising gauge theories
Efficient quantum cluster algorithms for frustrated transverse field Ising antiferromagnets and Ising gauge theories Open
Working within the Stochastic Series Expansion (SSE) framework, we construct efficient quantum cluster algorithms for transverse field Ising antiferromagnets on the pyrochlore lattice and the planar pyrochlore lattice, for the fully frustr…
View article: Cross-Validation of Observations between the GPM Dual-Frequency Precipitation Radar and Ground Based Dual-Polarization Radars
Cross-Validation of Observations between the GPM Dual-Frequency Precipitation Radar and Ground Based Dual-Polarization Radars Open
The Global Precipitation Measurement (GPM) mission Core Observatory is equipped with a dual-frequency precipitation radar (DPR) with capability of measuring precipitation simultaneously at frequencies of 13.6 GHz (Ku-band) and 35.5 GHz (Ka…
View article: Semiclassical theory for liquidlike behavior of the frustrated magnet <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Ca</mml:mi><mml:mn>10</mml:mn></mml:msub><mml:msub><mml:mi>Cr</mml:mi><mml:mn>7</mml:mn></mml:msub><mml:msub><mml:mi mathvariant="normal">O</mml:mi><mml:mn>28</mml:mn></mml:msub></mml:mrow></mml:math>
Semiclassical theory for liquidlike behavior of the frustrated magnet Open
We identify the low energy effective Hamiltonian that is expected to describe\nthe low temperature properties of the frustrated magnet\n$\\mathrm{Ca}_{10}\\mathrm{Cr}_{7}\\mathrm{O}_{28}$. Motivated by the fact that\nthis effective Hamilto…
View article: Singular ferromagnetic susceptibility of the transverse-field Ising antiferromagnet on the triangular lattice
Singular ferromagnetic susceptibility of the transverse-field Ising antiferromagnet on the triangular lattice Open
A transverse magnetic field $\\Gamma$ is known to induce antiferromagnetic\nthree-sublattice order of the Ising spins $\\sigma^z$ in the triangular lattice\nIsing antiferromagnet at low enough temperature. This low-temperature order is\nkn…
View article: Cross validation of observations from the GPM dual-frequency precipitation radar and dual-polarization S-band ground radars
Cross validation of observations from the GPM dual-frequency precipitation radar and dual-polarization S-band ground radars Open
This research presents a comparative study of observations and various products of the Global Precipitation Measurement (GPM) Mission Satellite with dual polarization S-Band Ground Radars. The GPM mission is a joint venture by the NASA and…
View article: Quantum cluster algorithm for frustrated Ising models in a transverse field
Quantum cluster algorithm for frustrated Ising models in a transverse field Open
Working within the stochastic series expansion framework, we introduce and\ncharacterize a new quantum cluster algorithm for quantum Monte Carlo\nsimulations of transverse field Ising models with frustrated Ising exchange\ninteractions. As…