Search Results - "Zarand, G"

Correlations after quantum quenches in the XXZ spin chain: failure of the generalized Gibbs ensemble by Pozsgay, B, Mestyán, M, Werner, M A, Kormos, M, Zaránd, G, Takács, G

“…We study the nonequilibrium time evolution of the spin-1/2 anisotropic Heisenberg (XXZ) spin chain, with a choice of dimer product and Néel states as initial…”
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Universal Fermi liquid crossover and quantum criticality in a mesoscopic system by Keller, A. J., Peeters, L., Moca, C. P., Weymann, I., Mahalu, D., Umansky, V., Zaránd, G., Goldhaber-Gordon, D.

“…Zero-temperature quantum phase transitions and their associated quantum critical points are believed to underpin the exotic finite-temperature behaviours of…”
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Imaging the electronic Wigner crystal in one dimension by Shapir, I, Hamo, A, Pecker, S, Moca, C P, Legeza, Ö, Zarand, G, Ilani, S

“…The quantum crystal of electrons, predicted more than 80 years ago by Eugene Wigner, remains one of the most elusive states of matter. In this study, we…”
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Emergent SU(4) Kondo physics in a spin–charge-entangled double quantum dot by Keller, A. J., Amasha, S., Weymann, I., Moca, C. P., Rau, I. G., Katine, J. A., Shtrikman, Hadas, Zaránd, G., Goldhaber-Gordon, D.

“…Quantum impurity models, which describe how a local degree of freedom interacts with a continuum, are central to condensed-matter physics. Such models may be…”
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Nonperturbative phase diagram of interacting disordered Majorana nanowires by Crépin, François, Zaránd, G., Simon, Pascal

“…We develop a Gaussian variational approach in replica space to investigate the phase diagram of a one-dimensional interacting disordered topological…”
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Bloch oscillations and the lack of the decay of the false vacuum in a one-dimensional quantum spin chain by Pomponio, Octavio, Werner, Miklós Antal, Zaránd, Gergely, Takacs, Gabor

“…We consider the decay of the false vacuum, realised within a quantum quench into an anti-confining regime of the Ising spin chain with a magnetic field…”
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Phase diagram and excitations of a Shiba molecule by Yao, N. Y., Moca, C. P., Weymann, I., Sau, J. D., Lukin, M. D., Demler, E. A., Zaránd, G.

“…We analyze the phase diagram associated with a pair of magnetic impurities trapped in a superconducting host. The natural interplay between Kondo screening,…”
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Spectroscopy of N = 50 isotones with the valence-space density matrix renormalization group by Tichai, A., Kapás, K., Miyagi, T., Werner, M.A., Legeza, Ö., Schwenk, A., Zarand, G.

“…The recently proposed combination of the valence-space in-medium similarity renormalization group (VS-IMSRG) with the density matrix renormalization group…”
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Measurement of quantum noise in a carbon nanotube quantum dot in the Kondo regime by Basset, J, Kasumov, A Yu, Moca, C P, Zaránd, G, Simon, P, Bouchiat, H, Deblock, R

“…The current emission noise of a carbon nanotube quantum dot in the Kondo regime is measured at frequencies ν of the order or higher than the frequency…”
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Combining the in-medium similarity renormalization group with the density matrix renormalization group: Shell structure and information entropy by Tichai, A., Knecht, S., Kruppa, A.T., Legeza, Ö., Moca, C.P., Schwenk, A., Werner, M.A., Zarand, G.

“…We propose a novel many-body framework combining the density matrix renormalization group (DMRG) with the valence-space (VS) formulation of the in-medium…”
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Density matrix numerical renormalization group for non-Abelian symmetries by Tóth, A. I., Moca, C. P., Legeza, Ö., Zaránd, G.

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Singlet-triplet transition in lateral quantum dots: A numerical renormalization group study by HOFSTETTER, W, ZARAND, G

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Schwinger boson approach to the fully screened Kondo model by Rech, J, Coleman, P, Zarand, G, Parcollet, O

“…We apply the Schwinger boson scheme to the fully screened Kondo model and generalize the method to include antiferromagnetic interactions between ions. Our…”
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Fluctuation-exchange approximation theory of the nonequilibrium singlet-triplet transition by Horváth, B., Lazarovits, B, Zaránd, G.

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Dynamical correlations in the spin-half two-channel Kondo model by Tóth, A. I., Zaránd, G.

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Dynamical conductance in the two-channel Kondo regime of a double dot system by Tóth, A. I., Borda, L., von Delft, J., Zaránd, G.

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Universal diffusive decay of correlations in gapped one-dimensional systems by RAPP, A, ZARAND, G

“…We apply a semiclassical approach to express finite temperature dynamical correlation functions of gapped spin models analytically. We show that the approach…”
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Scaling theory of magnetoresistance and carrier localization in Ga1-xMnxAs by Moca, C P, Sheu, B L, Samarth, N, Schiffer, P, Janko, B, Zarand, G

“…We compare experimental resistivity data on Ga1-xMnxAs films with theoretical calculations using a scaling theory for strongly disordered ferromagnets. The…”
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Zero-temperature geometric spin dephasing on a ring in the presence of an Ohmic environment by Horovitz, B, Le Doussal, P, Zarand, G

“…We study zero-temperature spin dynamics of a particle confined to a ring in the presence of spin-orbit coupling and Ohmic electromagnetic fluctuations. We show…”
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Frustration of decoherence in open quantum systems by NOVAIS, E, NETO, A. H. Castro, BORDA, L, AFFLECK, I, ZARAND, G

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