Interfering excitations in FQHE fluids

Active solid-state devices (e.g. – transistors – solid-state diode – Thin active physical layer which is – Heterojunction

Reexamination Certificate

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C257SE43003, C257SE43007

Reexamination Certificate

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07960714

ABSTRACT:
An apparatus includes a substrate with a planar surface, a multilayer of semiconductor layers located on the planar surface, a plurality of electrodes located over the multilayer, and a dielectric layer located between the electrodes and the multilayer. The multilayer includes a 2D quantum well. A first set of the electrodes is located to substantially surround a lateral area of the 2D quantum well. A second set of the electrodes is controllable to vary a lateral width of a non-depleted channel between the substantially surrounded lateral area of the 2D quantum well and another area of the 2D quantum well. A third set of the electrodes is controllable to vary an area of a non-depleted portion of the lateral area.

REFERENCES:
patent: 7394092 (2008-07-01), Freedman et al.
patent: 7576353 (2009-08-01), Diduck et al.
patent: 7781801 (2010-08-01), Willett
patent: 2008/0073668 (2008-03-01), Willett
Pan, W. et al, “Fractional Quantum Hall Effect of Composite Fermions”, available online at: http://arXiv.org.abs.cond-mat/0303429v1 [cond-mat.mes-hall], Mar. 20, 2003, 7 pgs.
Baldwin, K.W. et al, “Quantum Well Device”, Filing Date: May 28, 2010, U.S. Appl. No. 12/789,987, 20 pgs.
Willett, R.L. et al., “Observation of an evan-denominator quantum number in the fractional quantum Hall Effect”, Phys Rev. Letters, vol. 59, No. 15, Oct. 1987, pp. 1776-1779.
Moore, G. et al, “Nonabelions In The Fractional Quantum Hall Effect”, Nuclear Physics B, vol. 360, Issue 2-3, pp. 362-396, (1991).
Haldane, F.D.M., et al, “Spin-singlet wave function for the half-integral quantum Hall effect”, Phys. Rev. Lett., vol. 60, No. 10, Mar. 1998, pp. 956-959.
Das Sarma, S. et al, “Topologically Portected Qubits from a Possible Non-Abelian Fractional Quantum Hall State”, Phys. Rev. Lett. 94, (Apr. 2005) pp. 166802-1-166802-4.
Stern, A. et al, “Proposed Experiments to Probe the Non-Abelian v=5/2 Quantum Hall State”, Phys. Rev. Lett. 96 (2006), pp. 016802-1-016802-4.
Bonderson, P. et al, “Detecting Non-Abelian Satistics in the v=5/2 Fractional Quantum Hall State”, Phys. Rev. Lett. 96, (Jan. 2006), pp. 016803-1-016803-4.
Van Loosdrecht, P. et al, “Aharonov-Bohm effect in a singly connected point contact”, Phys. Rev. B, vol. 38, No. 14, (Nov. 1988), pp. 10162-10165.
Van Wees, B.J. et al, “Observation of Zero-Dimensional States in a One-Dimensional Electron Interferometer”, Phys. Rev. Lett. vol. 62, No. 21, May 22, 1989, pp. 2523-2526.
Ji, Y. et al, “An electronic Mach-Zehnder Interferometer”, Nature, vol. 422, Mar. 27, 2003, pp. 415-418.
Roulleau, P. et al, “Direct Measurement of the Coherence Length of Edge States in the Integer Quantum Hall Regime”, Phys. Rev. Lett. 100, (2008) pp. 126802-1-126802-4.
Camino, F.E. et al, “Aharonov-Bohm Superperiod in a Laughlin Quasiparticle Interferometer”, Phys. Rev. Lett. 95, Dec. 9, 2005, pp. 246802-1-246802-4.
Godfrey, M.D. et al, “Aharanov-Bohm Oscillations in Quantum Hall Corrals”, available on line at: http://arxiv.org/abs/0708.2448v1, (2007), 5 pgs.
Willett, R.L. et al, “Confinement of fractional quantum Hall states in narrow conducting channels”, Appl. Phys. Lett. 91, (2007) pp. 052105-1-052105-3.
Rosenow, B. et al, “Influence of Interactions on Flux and Back-Gate Period of Quantum Hall Interferometers”, Phys. Rev. Lett. 98, Mar. 2007, pp. 106801-1-106801-4.
Beenaker, C.W. et al, “Quantum Transport in Semiconductor Nanostructures”, Solid State Physics, Henry Ehrenreich and David Turnbull,eds., vol. 44, 1991, pp. 1-228.
Dolev, M. et al “Observation of a quarter of an electron charge at the v=5/2 quantum Hall state”, vol. 452, Apr. 17, 2008, pp. 829-834.
Radu, I. et al, “Quasi-Particle Properties from Tunneling in the v-5/2 fractional Quantum Hall State”, Science, vol. 320, May 16, 2008, pp. 899-902.
Chamon, C. de C. et al, “Two point-contact interferometer for quantum hall systems”, Phys. Rev. B, vol. 55, No. 4, Jan. 1997, pp. 2331-2343.
Fradkin, E. et at, “a Chern-Simons effective field theory fro the Pfaffian quantum Hall state”, Nucl. Phys. B 516, Jan. 1998, pp. 704-718.
Davies, J. “The Physics Of Low-Dimensional Semiconductors An Introduction”, 1998, Title, copyright, vii-xi, pp. 80-117, 118-149, 206-248, 329-370.,Cambridge Univ Press, UK.
R.L. Willett et al., “Confinement of fractional quantum Hall states in narrow conducting channels”,Applied Physics Letters 91(2007), pp. 052105-1-052105-3.
Ady Stern, et at., “Proposed Experiments to Probe the Non-Abelianv=5/2 Quantum Hall State”,Physical Review Letters 96(2006), pp. 016802-1-016802-4.
S. Das Sarma et al., “Topologically Protected Qubits from a Possible Non-Abelian Fractional Quantum Hall State”, Physical Review Letters 94 (2005), pp. 166802-1-166802-4.
“Composite Fermions: A Unified View of the Quantum Hall Regime”, edited by O. Heinonen, World Scientific, Singapore, 1998, Title, copyright, v-xi, pp. 1-491.

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