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<!DOCTYPE html>
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<title>Subrata</title>
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<h1 class="txt_color_h mt-4 ">About Me</h1>
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<p>
I am currently a Postdoctoral Researcher in the Department of Physics at Virginia Tech, USA, where I focus on constructing and detecting quantum phases with cold atoms. I earned my PhD from the Indian Institute of Technology Kharagpur, specializing in Quantum Turbulence in Bose-Einstein Condensates. My theoretical research spans various areas within the broad field of Atomic, Molecular, and Optical Physics. With over 6 years of experience, I have developed scientific code in C++ and excel in data post-processing using Python.<br>
I completed my undergraduate studies at the University of North Bengal and my postgraduate studies at the University of Calcutta, where I was awarded the prestigious DST-INSPIRE Scholarship for academic excellence. Recently, I was granted $5000 in Google Cloud Platform (GCP) research credits, which facilitated large-scale simulations of quantum turbulence utilizing advanced GPU architectures for high-performance computing.
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email: [email protected]</p>
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<h1 class="txt_color_h">Research Interests</h1>
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<div class="interest-title">Quantum Gas</div>
<div class="interest-description">Ultracold dilute gases exhibiting quantum phenomena and many-body
interactions.</div>
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</div>
<div class="interest-card">
<div>
<div class="interest-title">Bose-Einstein Condensate</div>
<div class="interest-description">A state of matter with macroscopic quantum coherence at near absolute
zero.</div>
</div>
</div>
<div class="interest-card">
<div>
<div class="interest-title">Many-Body Physics</div>
<div class="interest-description">Systems with interacting particles revealing emergent quantum
phenomena.</div>
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</div>
<div class="interest-card">
<div>
<div class="interest-title">Tensor Network</div>
<div class="interest-description">Efficient tools for high-dimensional quantum many-body wavefunctions.
</div>
</div>
</div>
<div class="interest-card">
<div>
<div class="interest-title">DMRG</div>
<div class="interest-description">A variational method for accurate studies of 1D quantum systems.
</div>
</div>
</div>
<div class="interest-card">
<div>
<div class="interest-title">Quantum Vortex</div>
<div class="interest-description">Topological defects in superfluids with quantized circulation.</div>
</div>
</div>
<div class="interest-card">
<div>
<div class="interest-title">Quantum Turbulence</div>
<div class="interest-description">Chaotic flow in quantum fluids revealing turbulence scales.</div>
</div>
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</div>
</div>
<h1 class="txt_color_h mt-4">Recent Research Works</h1>
<div class="row mt-4 research-item">
<div class="col-12">
<h2>Distinguishing superfluid and supersolid phase using vortex motion</h2>
<p>
We propose an experimental method to distinguish supersolid and superfluid phases using vortex dipole. Vortex dipole behaves separately in these two phases. By tracing the trajectory of the vortices and calculating the correlation between trajectories, one can identify the phase.
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<img class="img-fluid rounded mx-auto d-block recent-research-img"
src="img/works/Schema_SS_LG_Final_merge.png" alt="" />
</div>
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<img class="img-fluid rounded mx-auto d-block recent-research-img"
src="img/works/SF_SS_Vortex_Path.png" alt="" />
</div>
</div>
</div>
</div>
</div>
</div>
<div class="row mt-4 research-item">
<div class="col-12">
<h2>Studies on Dipolar Bose-Einstein Condensate</h2>
<p>
We have done several works on dipolar BEC under different trapping geometries: 2D-3D harmonic potential and 3D bubble trap potential with rotation. We also consider dipolar-dipolar and dipolar-nondipolar multicomponent mixture of <sup>164</sup>Dy and <sup>168</sup>Er.
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<img class="img-fluid rounded mx-auto d-block recent-research-img" src="img/works/two-comp-1.png"
alt="" />
</div>
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<img class="img-fluid rounded mx-auto d-block recent-research-img" src="img/works/ene.png" alt="" />
</div>
</div>
</div>
</div>
</div>
</div>
<div class="row mt-4 research-item">
<div class="col-12">
<h2>2D Quantum Turbulence in Bose-Einstein Condensate</h2>
<p>
We explore the dynamics of point vortices within a two-component Bose-Einstein Condensate (BEC), examining how interspecies interactions influence quantum turbulence. Our analysis reveals that the scaling laws of turbulence vary depending on the rotation frequency of the obstacle used to generate the vortices.
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<img class="img-fluid rounded mx-auto d-block recent-research-img" src="img/works/vor1.png" alt="" />
</div>
<div class="col-lg-6 col-12 d-flex align-items-center">
<img class="img-fluid rounded mx-auto d-block recent-research-img" src="img/works/vor22.png" alt="" />
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Visit my <a href="publications.html">Publications</a> page for more details.
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