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Measurements of the thermal edge conductance in a fractional quantized Hall state, with very surprising results at ν= 5/2

1. Observed quantization of anyonic heat flow Authors: M. Banerjee, M. Heiblum, A. Rosenblatt, Y. Oreg, D. E. Feldman, A. Stern, and V. Umansky Nature 545, 77 (2017) 2. Observation of half-integer thermal Hall conductance Authors: M. Banerjee, M. Heiblum, V. Umansky, D. E. Feldman, Y. Oreg, and A. Stern arXiv:1710.00492 Recommended with a commentary […]

Nanoscale thermal imaging of dissipation in quantum systems

Nanoscale thermal imaging of dissipation in quantum systems. Authors: D. Halbertal, J. Cuppens, M. Ben Shalom, L. Embon, N. Shadmi, Y. Anahory, H. R. Naren, J. Sarkar, A. Uri, Y. Ronen, Y. Myasoedov, L. S. Levitov, E. Joselevich, A. K. Geim, and E. Zeldov. arXiv: 1609.01487 Recommended with a commentary by Bertrand I. Halperin, Harvard […]

Even-denominator fractional quantum Hall physics in ZnO

Even-denominator fractional quantum Hall physics in ZnO. Authors: J. Falson, D. Maryenko, B. Friess, D. Zhang, Y. Kozuka, A. Tsukuzaki, J. H. Smet, and M. Kawasaki. Nature Physics 11,347(2015) Recommended with a commentary by Bertrand I. Halperin, Harvard University. |View Commentary| JCCM_November_2015_02

Experimental advances in the quantum anomalous Hall effect

1.Precise quantization of anomalous Hall effect near zero magnetic field. Authors: A. J. Bestwick, E. J. Fox, Xufeng Fu, Lei Pan, Kang L. Wang, and D. Goldhaber-Gordon. Phys.Rev.Lett. 114,187201(2015) 2.High-precision realization of robust quantum anomalous Hall state in a hard ferromagnetic topological insulator. Authors:Cui-Zu Chang, Weiwei Zhao, Duk Y.Kim, Haijun Zhang, Badih A. Assaf, Don […]

Topological quantum Lego

Imprint of topological degeneracy in quasi-one-dimensional fractional quantum Hall states. Authors: Eran Sagi, Yuval Oreg, Ady Stern, and Bertrand Halperin. arXiv:1502.01665 Recommended with a commentary by Anton Akhmerov, Delft University of Technology. |View Commentary| JCCM_MARCH_2015_01

Flow of transport coefficients in a film that shows the quantum anomalous Hall effect

Trajectory of Anomalous Hall Effect toward the Quantized State in a Ferromagnetic Topological Insulator Authors: J. G. Checkelsky, B. Yoshimi, K. S. Takahashi, Y. Kozuka, J. Falson, M. Kawasaki, and Y. Tokura arXiv: 1406.7450 Recommended with a commentary by Bertrand I. Halperin, Harvard University |View Commentary| JCCM_AUGUST_2014_02

Observation of macroscopic quantum coherence using new type of superconducting circuit

1)  Fluxonium: single Cooper pair circuit free of charge offsets. Authors: V. E. Manucharyan, J. Koch, L. I. Glazman, and M. H. Devoret http://arxiv.org/abs/0906.0831 ; Science 326, 113-116 (2009). 2)  Coherent oscillations between classically separable quantum states of a superconducting loop Authors: V. E. Manucharyan, J. Koch, M. Brink, L. I. Glazman, and M. H. […]

Emergence of the persistent spin helix in semiconductor quantum wells.

Authors: J. D. Koralek, C. Weber, J. Orenstein, A. Bernevig, S. Zhang, S. Mack, and D. Awschalom. http://arxiv.org/abs/0903.4709v2 . To appear in Nature, April 2, 2009. Recommended with a Commentary by Bertrand I. Halperin, Harvard University.  | View Commentary (pdf) | JCCM_March09_02

A topological Dirac insulator in a quantum spin Hall phase.

Authors: D. Hsieh, D. Qian, L. Wray, Y. Xia, Y. S. Hor, R. J. Cava, and M. Z. Hasan. Nature 454, 970 (2008) Recommended with a Commentary by Bertrand I. Halperin, Harvard University. | View Commentary (pdf) | JCCM_July08_02

Novel metallic and insulating states at a bent quantum Hall junction.

Authors: M. Grayson, L. Steinke, D. Schuh, M. Bichler, L. Hoeppel, J. Smet, K. v. Klitzing, D. K. Maude, and G. Abstreiter. http://arxiv.org/abs/cond-mat/0701295 Recommended with a Commentary by Bertrand I. Halperin, Harvard University | View Commentary (pdf) | JCCM_August07_03

Interference between two independent electrons: observation of two-particle Aharonov-Bohm interference

Authors: I. Neder, N. Ofek, Y. Chung, M. Heiblum, D. Mahalu and V. Umansky http://arxiv.org/abs/0705.0173; Nature (in press) Recommended with a Commentary by Bertrand I. Halperin, Harvard University | View Commentary (pdf) | JCCM_June07_02

Organizers, Advisory Committee, and Correspondents in the last two years

Organizers: Alexander Grosberg New York University Chandra M. Varma (Chief organizer) University of California, Riverside Advisory Committee: Zachary Fisk, University of California, Irvine Paul Ginsparg, Cornell University Robert Laughlin, Stanford University David Pines, University of California, Davis and ICAM, Chairperson Correspondents in the last two years: Anton Akhmerov, Delft University of Technology | View Contributions […]

Direct electronic measurement of the spin-Hall effect

Authors: S.O. Valenzuela and M. Tinkham http://ArXiv.org/cond-mat/0605423 (Nature, in press) Recommended and Commentary by Bertrand I. Halperin, Harvard University.  | View Commentary (pdf) | (JCCM_July06_02)

Direct observation of Aharonov-Casher Phase

Authors: M. König, A. Tschetschetkin, E. M. Hankiewicz, J. Sinova, V. Hock, V. Daumer, M. Schäfer, C. R. Becker, H. Buhmann, and L. W. Molenkamp http://ArXiv.org/cond-mat/0508396 Recommended and Commentary by Bertrand  I. Halperin, Harvard University.  | View Commentary (pdf) | (JCCM_Oct05_02)

Quantum criticality beyond the Landau-Ginsburg-Wilson paradigm

Authors: T. Senthil, L. Balents, S. Sachdev , A. Vishwanath, and M. P. A. Fisher http://arXiv.org/cond-mat/0312617 Physical Review B 70, 144407 (2004) Recommended and Commentary by Bertrand I. Halperin, Harvard University. | View Commentary (pdf) | (JCCM_Apr05_02)

1. Spin-current and spin accumulation in 2d spin-orbit coupled systems with impurities / 2. Spin-Hall effect in a disordered 2D electron-system

1. Spin-current and spin accumulation in 2d spin-orbit coupled systems with impurities Authors: E.G. Mischenko, A. V. Shytov and B.I. Halperin http://arXiv.org/cond-mat/0406730 2. Spin-Hall effect in a disordered 2D electron-system Authors: R. Raimondi and P. Schwab http://arXiv.org/cond-mat/0408233 Recommended and a Commentary by Alexander Punnoose, Bell labs and Chandra Varma, Bell labs and University of California, […]

Spin-Separation in Cyclotron Motion

Authors: L. P. Rokhinson, Y. B. Lyanda-Geller, L. N. Pfeiffer, and K. W. West http://arXiv.org/cond-mat/0403645 Recommended and a Commentary by Bertrand I. Halperin, Harvard University.  | View Commentary (pdf) | (JCCM_Jul04_01)

Signatures of spin-charge separation in double–quantum-wire tunneling

Authors: Yaroslav Tserkovnyak, Bertrand I. Halperin, Ophir M. Auslaender, Amir Yacoby http://arXiv.org/cond-mat/0312159 Recommended and a Commentary by Thierry Giamarchi, University of Geneva. | View Commentary (pdf) | (JCCM_Feb04_01)

1. Conductance of a quantum wire in the Wigner crystal regime / 2. Non-unitary spin-charge separation in a one-dimensional fermion gas

1. Conductance of a quantum wire in the Wigner crystal regime Authors: K. A. Matveev http://arXiv.org/cond-mat/0310261 2. Non-unitary spin-charge separation in a one-dimensional fermion gas Authors: V. V.Cheianov and M. B. Zvonarev http://arXiv.org/cond-mat/0308470 Recommended and a Commentary by: Bertrand I. Halperin, Harvard University. | View Commentary (pdf) | (JCCM_Dec03_02)

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