Zobrazeno 1 - 10
of 359
pro vyhledávání: '"Halperin B"'
Autor:
Nandi, D., Skinner, B., Lee, G. H., Huang, K. -F., Shain, K., Chang, Cui-Zu, Ou, Y., Lee, S. -P., Ward, J., Moodera, J. S., Kim, P., Halperin, B. I., Yacoby, A.
Publikováno v:
Phys. Rev. B 98, 214203 (2018)
In an ultrathin topological insulator (TI) film, a hybridization gap opens in the TI surface states, and the system is expected to become either a trivial insulator or a quantum spin Hall insulator when the chemical potential is within the hybridizat
Externí odkaz:
http://arxiv.org/abs/1808.02612
Akademický článek
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Publikováno v:
Phys. Rev. B 88, 035309 (2013)
We theoretically study the dynamic polarization of lattice nuclear spins in GaAs double quantum dots containing two electrons. In our prior work [Phys. Rev. Lett. 104, 226807 (2010)] we identified three regimes of long-term dynamics, including the bu
Externí odkaz:
http://arxiv.org/abs/1212.6953
Publikováno v:
Phys. Rev. B 84, 144509 (2011)
Semiconducting nanowires in proximity to superconductors are among promising candidates to search for Majorana fermions and topologically protected degeneracies which may ultimately be used as building blocks for topological quantum computers. The pr
Externí odkaz:
http://arxiv.org/abs/1106.4014
Publikováno v:
Phys. Rev. Lett. 106, 126804 (2011)
We present a model of dissipative transport in the fractional quantum Hall regime. Our model takes account of tunneling through saddle points in the effective potential for excitations created by impurities. We predict the temperature range over whic
Externí odkaz:
http://arxiv.org/abs/1008.0969
Autor:
Gullans, M., Krich, J. J., Taylor, J. M., Bluhm, H., Halperin, B. I., Marcus, C. M., Stopa, M., Yacoby, A., Lukin, M. D.
Publikováno v:
Phys. Rev. Lett. 104, 226807 (2010)
We theoretically investigate the controlled dynamic polarization of lattice nuclear spins in GaAs double quantum dots containing two electrons. Three regimes of long-term dynamics are identified, including the build up of a large difference in the Ov
Externí odkaz:
http://arxiv.org/abs/1003.4508
Publikováno v:
Phys. Rev. B 82, 041311(R) (2010)
Spin-blockaded quantum dots provide a unique setting for studying nuclear-spin dynamics in a nanoscale system. Despite recent experimental progress, observing phase-sensitive phenomena in nuclear spin dynamics remains challenging. Here we point out t
Externí odkaz:
http://arxiv.org/abs/0909.0060
Publikováno v:
Phys. Rev. B 79, 035304 (2009)
A nonlocal electric response in the spin-Hall regime, resulting from spin diffusion mediating charge conduction, is predicted. The spin-mediated transport stands out due to its long-range character, and can give dominant contribution to nonlocal resi
Externí odkaz:
http://arxiv.org/abs/0708.0455
Recent schemes for experimentally probing non-abelian statistics in the quantum Hall effect are based on geometries where current-carrying quasiparticles flow along edges that encircle bulk quasiparticles, which are localized. Here we consider one su
Externí odkaz:
http://arxiv.org/abs/0707.4474
Autor:
Rosenow, B., Halperin, B. I.
In quantum Hall systems with two narrow constrictions, tunneling between opposite edges can give rise to quantum interference and Aharonov-Bohm-like oscillations of the conductance. When there is an integer quantized Hall state within the constrictio
Externí odkaz:
http://arxiv.org/abs/cond-mat/0611101