Search Results - "Das, Kunal K."

Significance and Sensor Utility of Phase in Quantum Localization Transition by Das, Kunal K.

“…The degree of localization of the Harper-Hofstadter model is shown to display striking periodic dependence on phase degrees of freedom, which can depend on the…”
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Synthetic Gauge Structures in Real Space in a Ring lattice by Das, Kunal K., Gajdacz, Miroslav

“…Emergence of fundamental forces from gauge symmetry is among our most profound insights about the physical universe. In nature, such symmetries remain hidden…”
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Interference of a thermal tonks gas on a ring by Das, Kunal K, Girardeau, M D, Wright, E M

“…A nonzero temperature generalization of the Fermi-Bose mapping theorem is used to study the exact quantum statistical dynamics of a one-dimensional gas of…”
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An atomtronics transistor for quantum gates by Gajdacz, Miroslav, Opatrný, Tomáš, Das, Kunal K.

“…We present a mechanism for quantum gates where the qubits are encoded in the population distribution of two-component ultracold atoms trapped in a…”
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Quantum pumping with ultracold atoms on microchips: fermions versus bosons by Das, Kunal K, Aubin, Seth

“…We present a design for simulating quantum pumping of electrons in a mesoscopic circuit with ultracold atoms in a micromagnetic chip trap. We calculate…”
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Feasibility of producing two‐stage (preplaced aggregate) concrete by gravity process by Das, Kunal K., Lam, Eddie S. S.

“…Two‐stage concrete or Preplaced aggregate concrete (“PAC”) is produced by first preplacing the coarse aggregates into the formwork and then injecting a grout…”
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Partial replacement of cement by ground granulated blast furnace slag and silica fume in two‐stage concrete (preplaced aggregate concrete) by Das, Kunal K., Lam, Eddie S. S., Tang, Ho H.

“…An experimental investigation was carried out to enhance the properties of two‐stage concrete, also known as preplaced aggregate concrete (PAC), by adding…”
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Bose-Fermi mixtures in one dimension by Das, Kunal K

“…We analyze the phase stability and the response of a mixture of bosons and spin-polarized fermions in one dimension (1D). Unlike in 3D, phase separation…”
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The role of quantum interference and asymmetries in the operation of quantum pumps by Das, Kunal K., Opatrný, Tomáš

“…Quantum pumping is a means of generating current in mesoscopic circuits without a bias field. We show that within a common quantum theoretical description, the…”
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Controlled flow of spin-entangled electrons via adiabatic quantum pumping by Das, Kunal K, Kim, Sungjun, Mizel, Ari

“…We propose a method to dynamically generate and control the flow of spin-entangled electrons, each belonging to a spin singlet, by means of adiabatic quantum…”
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Adiabatic quantum pumping of a desired ratio of spin current to charge current by Kim, Sungjun, Das, Kunal K., Mizel, Ari

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Conditions for vanishing central-well population in triple-well adiabatic transport by Opatrný, Tomáš, Das, Kunal K.

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Optimized Fuzzy PID Based HSAPF with PQ Enrichment by Mishra, Alok K., Nanda, Pradip K., Debanath, Manoj K., Patra, Akshaya K., Das, Kunal K., Mahakud, Jeevan J.

“…This manuscript exhibits an Optimised Fuzzy PID based Hybrid Shunt Active Power Filter (HSAPF) for reparation of reactive power and harmonics. Here a hybrid…”
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Crossover from one to three dimensions for a gas of hard-core bosons by Das, Kunal K, Girardeau, M D, Wright, E M

“…We develop a variational theory of the crossover from the one-dimensional (1D) regime to the 3D regime for ultracold Bose gases in thin waveguides. Within the…”
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Thermodynamic and noise considerations for the detection of microscopic particles in a gas by photoacoustic Raman spectroscopy by Das, Kunal K., Rostovtsev, Yuri V., Lehmann, Kevin, Scully, Marlan O.

“…We develop a simple thermodynamic model to describe the heat transfer mechanisms and generation of acoustic waves in photoacoustic Raman spectroscopy by small…”
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Matter, energy, and heat transfer in a classical ballistic atom pump by Byrd, Tommy A, Das, Kunal K, Mitchell, Kevin A, Aubin, Seth, Delos, John B

“…A ballistic atom pump is a system containing two reservoirs of neutral atoms or molecules and a junction connecting them containing a localized time-varying…”
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Macroscopic consequences of calcium signaling in microdomains: a first-passage-time approach by Rovetti, Robert, Das, Kunal K, Garfinkel, Alan, Shiferaw, Yohannes

“…Calcium (Ca) plays an important role in regulating various cellular processes. In a variety of cell types, Ca signaling occurs within microdomains where…”
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Quantum Paddlewheel with Ultracold Atoms in Waveguides by Das, Kunal. K, Meehan, Matthew R, Pyle, Andrew J

“…Phys. Rev. A 89, 063626 (2014) We propose and study a quantum pump which emulates a traditional paddlewheel, that can be implemented with ultracold atoms in…”
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Effects of a rotating periodic lattice on coherent quantum states in a ring topology: The case of positive nonlinearity by Huang, Hongyi, Das, Kunal K

“…Physical Review A 104, 053320 (2021) We study the landscape of solutions of the coherent quantum states in a ring shaped lattice potential in the context of…”
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Entangled Collective Spin States of Two Species Ultracold atoms in a Ring by Opatrný, Tomáš, Das, Kunal K

“…Physical Review A 108, 043307 (2023) We study the general quantum Hamiltonian that can be realized with two species of mutually interacting degenerate…”
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