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- Publications
- Influence
Coherent Manipulation of Coupled Electron Spins in Semiconductor Quantum Dots
- J. Petta, A. Johnson, +6 authors A. Gossard
- Physics, Medicine
- Science
- 30 September 2005
We demonstrated coherent control of a quantum two-level system based on two-electron spin states in a double quantum dot, allowing state preparation, coherent manipulation, and projective readout.… Expand
Hot carrier transport and photocurrent response in graphene.
- J. C. Song, M. Rudner, C. Marcus, L. Levitov
- Physics, Medicine
- Nano letters
- 5 May 2011
Strong electron-electron interactions in graphene are expected to result in multiple-excitation generation by the absorption of a single photon. We show that the impact of carrier multiplication on… Expand
Exponential protection of zero modes in Majorana islands
- S. Albrecht, A. Higginbotham, +5 authors C. Marcus
- Physics, Medicine
- Nature
- 10 March 2016
Majorana zero modes are quasiparticle excitations in condensed matter systems that have been proposed as building blocks of fault-tolerant quantum computers. They are expected to exhibit non-Abelian… Expand
Relaxation, dephasing, and quantum control of electron spins in double quantum dots
Recent experiments have demonstrated quantum manipulation of two-electron spin states in double quantum dots using electrically controlled exchange interactions. Here we present a detailed theory for… Expand
Low-temperature fate of the 0.7 structure in a point contact: a Kondo-like correlated state in an open system.
- S. M. Cronenwett, H. Lynch, +5 authors V. Umansky
- Physics, Medicine
- Physical review letters
- 31 January 2002
Besides the usual conductance plateaus at multiples of 2e(2)/h, quantum point contacts typically show an extra plateau at approximately 0.7(2e(2)/h), believed to arise from electron-electron… Expand
Quantum Hall Effect in a Gate-Controlled p-n Junction of Graphene
- J. Williams, L. Dicarlo, C. Marcus
- Chemistry, Medicine
- Science
- 3 August 2007
The unique band structure of graphene allows reconfigurable electric-field control of carrier type and density, making graphene an ideal candidate for bipolar nanoelectronics. We report the… Expand
Majorana bound state in a coupled quantum-dot hybrid-nanowire system
- M. Deng, S. Vaitiekėnas, +6 authors C. Marcus
- Physics, Medicine
- Science
- 23 December 2016
Watching Majorana bound states form Majorana bound states (MBSs) are peculiar quasiparticles that may one day become the cornerstone of topological quantum computing. To engineer these states,… Expand
Triplet–singlet spin relaxation via nuclei in a double quantum dot
- A. Johnson, J. Petta, +5 authors A. Gossard
- Physics, Medicine
- Nature
- 29 March 2005
The spin of a confined electron, when oriented originally in some direction, will lose memory of that orientation after some time. Physical mechanisms leading to this relaxation of spin memory… Expand
Manipulation of a single charge in a double quantum dot.
- J. Petta, A. Johnson, C. Marcus, M. P. Hanson, A. Gossard
- Physics, Medicine
- Physical review letters
- 6 August 2004
We manipulate a single electron in a fully tunable double quantum dot using microwave excitation. Under resonant conditions, microwaves drive transitions between the (1,0) and (0,1) charge states of… Expand
Rapid single-shot measurement of a singlet-triplet qubit.
- C. Barthel, D. Reilly, C. Marcus, M. P. Hanson, A. Gossard
- Physics, Medicine
- Physical review letters
- 2 February 2009
We report repeated single-shot measurements of the two-electron spin state in a GaAs double quantum dot. The readout allows measurement with a fidelity above 90% with a approximately 7 micros cycle… Expand