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Published in 2019 at "Annalen der Physik"
DOI: 10.1002/andp.201900141
Abstract: Quantum phase properties of photon added and subtracted displaced Fock states (and a set of quantum states which can be obtained as the limiting cases of these states) are investigated from a number of perspectives,…
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Keywords:
phase properties;
phase;
displaced fock;
photon added ... See more keywords
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Published in 2021 at "Annalen der Physik"
DOI: 10.1002/andp.202000542
Abstract: Using the Jordan–Wigner mean‐field (JW‐MF) approach, the dynamical quantum phase transition (DQPT) in the 1D spin‐1/2 XZZ model is studied, where the presence of the transverse magnetic field breaks the U(1) symmetry of the Hamiltonian…
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Keywords:
phase;
dynamical quantum;
field;
xzz model ... See more keywords
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Published in 2017 at "Protein Science"
DOI: 10.1002/prop.201600043
Abstract: We argue that quantum phase slips (QPS) may generate non-equilibrium voltage fluctuations in superconducting nanowires. In the low frequency limit we evaluate all cumulants of the voltage operator which obey Poisson statistics and show a…
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Keywords:
voltage fluctuations;
superconducting nanowires;
fluctuations superconducting;
phase slips ... See more keywords
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Published in 2017 at "International Journal of Theoretical Physics"
DOI: 10.1007/s10773-016-3163-z
Abstract: For matrix product states(MPSs) of one-dimensional spin-12$\frac {1}{2}$ chains, we investigate a new kind of conventional quantum phase transition(QPT). We find that the system has two different ferromagnetic phases; on the line of the two…
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Keywords:
quantum;
matrix product;
correlation;
quantum correlation ... See more keywords
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Published in 2018 at "Journal of Superconductivity and Novel Magnetism"
DOI: 10.1007/s10948-017-4360-6
Abstract: The Yu–Shiba–Rusinov bound states can arise around magnetic impurities in conventional superconductors. Competition between screened and unscreened states can lead to the quantum phase transition. We discuss basic properties of this quantum phase transition in…
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Keywords:
phase;
transition induced;
phase transition;
induced magnetic ... See more keywords
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Published in 2022 at "Nuclear Physics B"
DOI: 10.1016/j.nuclphysb.2022.115651
Abstract: Quantum critical behaviors induced by a putative quantum phase transition is vigilantly investigated, which separates a d-wave superconducting and d-wave superconducting+X state below the superconducting dome of the d−wave superconductors with tuning the non-thermal doping…
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Keywords:
quantum phase;
phase transition;
fermion velocities;
fermion ... See more keywords
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Published in 2021 at "Results in physics"
DOI: 10.1016/j.rinp.2021.103832
Abstract: Abstract Manipulation of the quantum phase transition (QPT) of the general Lipkin-Meshkov-Glick (LMG) model is studied in a well-controlled hybrid quantum system, with respect to the Bose–Einstein condensate (BEC) magnetically coupled to a quantum cantilever.…
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Keywords:
system;
quantum phase;
phase transition;
controlled hybrid ... See more keywords
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Published in 2017 at "Nature Communications"
DOI: 10.1038/s41467-017-01204-0
Abstract: Topological insulators constitute a new phase of matter protected by symmetries. Time-reversal symmetry protects strong topological insulators of the Z2 class, which possess an odd number of metallic surface states with dispersion of a Dirac…
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Keywords:
phase;
phase transition;
insulator;
topological insulator ... See more keywords
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Published in 2020 at "Nature Communications"
DOI: 10.1038/s41467-020-16058-2
Abstract: Finding new physical responses that signal topological quantum phase transitions is of both theoretical and experimental importance. Here, we demonstrate that the piezoelectric response can change discontinuously across a topological quantum phase transition in two-dimensional…
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Keywords:
phase;
quantum;
phase transitions;
two dimensional ... See more keywords
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Published in 2018 at "Nature Physics"
DOI: 10.1038/s41567-018-0162-4
Abstract: Energy levels in superconducting quantum devices are highly sensitive to charge fluctuations. Generally, this is considered a bug, but new work transforms this sensitivity into the defining feature of a novel device.
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Keywords:
quantum phase;
leaps quantum;
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Published in 2019 at "Nature Physics"
DOI: 10.1038/s41567-019-0694-2
Abstract: The nematic electronic state and its associated critical fluctuations have emerged as a potential candidate for the superconducting pairing in various unconventional superconductors. However, in most materials their coexistence with magnetically ordered phases poses a…
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Keywords:
phase;
transition;
nematic quantum;
phase transition ... See more keywords