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Topologically-Protected Qubits from a Possible Non-Abelian Fractional Quantum Hall State
Sankar Das Sarma, Michael Freedman, Chetan Nayak
The Pfaffian state is an attractive candidate for the observed quantized Hall plateau at Landau level filling fraction . This is particularly intriguing because this state h…
A Line of Critical Points in 2+1 Dimensions: Quantum Critical Loop Gases and Non-Abelian Gauge Theory
Michael Freedman, Chetan Nayak, Kirill Shtengel
We (1) construct a one-parameter family of lattice models of interacting spins; (2) obtain their exact ground states; (3) derive a statistical-mechanical analogy which relates thei…
Fourier Transformed Scanning Tunneling Peaks in the -density wave phase
Cristina Bena, Sudip Chakravarty, Jiangping Hu +1
In this brief note we repeat an earlier calculation of the Fourier transformed scanning tunneling spectra of the -density wave (DDW) phase using a different band structure, whic…