Dynamics of Nonplanar Quantized Vortex Rings Before Reconnection at Finite Temperatures
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-017-1768-0
Abstract: The paper presents a numerical study of the dynamics of nonplanar quantized vortices at finite temperatures on their route to reconnection. We perform numerical simulations using the vortex filament method, solving the full Biot–Savart equation… read more here.
Keywords: finite temperatures; dynamics nonplanar; circ circ; nonplanar quantized ... See more keywords
Thermal Properties and Magnetic Susceptibility of Hellmann Potential in Aharonov–Bohm (AB) Flux and Magnetic Fields at Zero and Finite Temperatures
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-020-02533-z
Abstract: In this research work, the Hellmann potential is studied in the presence of external magnetic and AB flux fields within the framework of Schrodinger equation using the Nikiforov–Uvarov functional analysis method. The energy equation and… read more here.
Keywords: finite temperatures; system; text; magnetic susceptibility ... See more keywords
Global quantum discord and thermal tensor network in XXZ chains at finite temperatures
Sign Up to like & getrecommendations! Published in 2019 at "Physica B: Condensed Matter"
DOI: 10.1016/j.physb.2019.04.021
Abstract: Abstract We characterize multi-site quantum correlations in 1D finite-size XXZ chains at finite temperatures with global quantum discord. With the help of an exact diagonalization method and a thermal-tensor-network algorithm, the thermal-state discord G (… read more here.
Keywords: chains finite; finite temperatures; quantum; thermal tensor ... See more keywords
Single-particle emission at finite temperatures
Sign Up to like & getrecommendations! Published in 2017 at "Low Temperature Physics"
DOI: 10.1063/1.4995639
Abstract: The state of particles injected onto the surface of the Fermi sea depends essentially on the temperature. The pure state injected at zero temperature becomes a mixed state if injected at finite temperature. Moreover the… read more here.
Keywords: state; finite temperatures; temperature; particle ... See more keywords
Matrix product state approach for a quantum system at finite temperatures using random phases and Trotter gates
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DOI: 10.1103/physrevb.104.045133
Abstract: We develop a numerical method based on matrix product states for simulating quantum manybody systems at finite temperatures without importance sampling and evaluate its performance in spin 1/2 systems. Our method is an extension of… read more here.
Keywords: system; matrix product; approach; finite temperatures ... See more keywords
Structure factors of the kagome-lattice Heisenberg antiferromagnets at finite temperatures
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.97.014423
Abstract: We compute the real-space spin correlations and frquency and wave-vector resolved dynamic structure factors $S(\vec q,\omega)$ for the nearest-neighbor Kagome-Lattice Heisenberg Antiferromagnet (KLHM) at finite temperatures using Numerical Linked Cluster Expansion (NLCE) method. A triangle-based… read more here.
Keywords: structure factors; finite temperatures; kagome lattice; structure ... See more keywords
Conductance of fractional Luttinger liquids at finite temperatures
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.98.045416
Abstract: We study the electrical conductance in single-mode quantum wires with Rashba spin-orbit interaction subjected to externally applied magnetic fields in the regime in which the ratio of spin-orbit momentum to the Fermi momentum is close… read more here.
Keywords: finite temperatures; conductance fractional; fractional luttinger; conductance ... See more keywords
Skyrmion Dynamics at Finite Temperatures: Beyond Thiele's Equation.
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DOI: 10.1103/physrevlett.127.047203
Abstract: Magnetic textures are often treated as quasiparticles following Thiele's equation of motion. We demonstrate via spin model simulations of the current-driven and Brownian motion of ferromagnetic skyrmions that the existing theory based on Thiele's equation… read more here.
Keywords: beyond thiele; dynamics finite; thiele equation; skyrmion dynamics ... See more keywords
Realistic Protocol to Measure Entanglement at Finite Temperatures.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.130.136201
Abstract: It is desirable to relate entanglement of many-body systems to measurable observables. In systems with a conserved charge, it was recently shown that the number entanglement entropy (NEE)-i.e., the entropy change due to an unselective… read more here.
Keywords: finite temperatures; entanglement finite; charge; protocol measure ... See more keywords