Zobrazeno 1 - 10
of 1 599
pro vyhledávání: '"Sim H"'
Publikováno v:
Phys. Rev. B 108, 195309 (2023)
A time-dependent potential barrier has been used to probe the arrival-time distribution of the wave packet of a hot electron by raising the barrier to block the packet upon arrival of the packet at the barrier. To see whether the barrier precisely de
Externí odkaz:
http://arxiv.org/abs/2312.03385
Publikováno v:
Nat Commun 14, 3521 (2023)
Impurities or boundaries often impose nontrivial boundary conditions on a gapless bulk, resulting in distinct boundary universality classes for a given bulk, phase transitions, and non-Fermi liquids in diverse systems. The underlying boundary states
Externí odkaz:
http://arxiv.org/abs/2306.10583
Autor:
Jung, Hwanchul, Park, Dongsung T., Lee, Seokyeong, Kim, Uhjin, Yang, Chanuk, Kim, Jehyun, Umansky, V., Kim, Dohun, Sim, H. -S., Chung, Yunchul, Choi, Hyoungsoon, Choi, Hyung Kook
Publikováno v:
Nat Commun 14, 415 (2023)
The resemblance between electrons and optical waves has strongly driven the advancement of mesoscopic physics. However, electron waves have yet to be understood in open cavity structures which have provided contemporary optics with rich insight towar
Externí odkaz:
http://arxiv.org/abs/2303.08386
Autor:
Fletcher, J. D., Park, W., Ryu, S., See, P., Griffiths, J. P., Jones, G. A. C., Farrer, I., Ritchie, D. A., Sim, H. -S., Kataoka, M.
Precise control over interactions between ballistic electrons will enable us to exploit Coulomb interactions in novel ways, to develop high-speed sensing, to reach a non-linear regime in electron quantum optics and to realise schemes for fundamental
Externí odkaz:
http://arxiv.org/abs/2210.03473
Autor:
Lee, June-Young M., Hong, Changki, Alkalay, Tomer, Schiller, Noam, Umansky, Vladimir, Heiblum, Moty, Oreg, Yuval, Sim, H. -S.
Publikováno v:
Nature 617, 277-281 (2023)
Correlations of partitioned particles carry essential information about their quantumness. Partitioning full beams of charged particles leads to current fluctuations, with their autocorrelation (namely, shot noise) revealing the particle' charge. Thi
Externí odkaz:
http://arxiv.org/abs/2209.15461
Autor:
Ryu, Sungguen, Sim, H. -S.
Publikováno v:
Phys. Rev. Lett. 129, 166801 (2022)
Scattering or tunneling of an electron at a potential barrier is a fundamental quantum effect. Electron-electron interactions often affect the scattering, and understanding of the interaction effect is crucial in detection of various phenomena of ele
Externí odkaz:
http://arxiv.org/abs/2207.01473
Autor:
Lee, June-Young M., Sim, H. -S.
Publikováno v:
Nat. Commun. 13, 6660 (2022)
A collider, where particles are injected to a beam splitter from opposite sides, has been used for identifying quantum statistics of identical particles. The collision leads to bunching of the particles for bosons and antibunching for fermions. In re
Externí odkaz:
http://arxiv.org/abs/2202.03649
Publikováno v:
Phys. Rev. Lett. 127, 226801 (2021)
Quantum entanglement between an impurity and its environment is expected to be central in quantum impurity problems. We develop a method to compute the entanglement in spin-1/2 impurity problems, based on the entanglement negativity and the boundary
Externí odkaz:
http://arxiv.org/abs/2112.01678
Publikováno v:
Phys. Rev. Lett. 125, 196802 (2020)
Fractional charge and statistics are hallmarks of low-dimensional interacting systems such as fractional quantum Hall (QH) systems. Integer QH systems are regarded noninteracting, yet they can have fractional charge excitations when they couple to an
Externí odkaz:
http://arxiv.org/abs/2111.01331
Publikováno v:
Phys. Rev. B 105, 075433 (2022)
One remarkable feature of strongly correlated systems is the phenomenon of fractionalization where quasiparticles carry only a fraction of the charge or spin of the elementary constituents. Such quasiparticles often present anyonic statistics in two
Externí odkaz:
http://arxiv.org/abs/2110.13925