Fractional charge and fractional statistics in the quantum Hall effects

DE Feldman, BI Halperin - Reports on Progress in Physics, 2021 - iopscience.iop.org
Quasiparticles with fractional charge and fractional statistics are key features of the fractional
quantum Hall effect. We discuss in detail the definitions of fractional charge and statistics …

Southern African ancient genomes estimate modern human divergence to 350,000 to 260,000 years ago

CM Schlebusch, H Malmström, T Günther, P Sjödin… - Science, 2017 - science.org
Southern Africa is consistently placed as a potential region for the evolution of Homo
sapiens. We present genome sequences, up to 13x coverage, from seven ancient …

Non-Abelian gauge field in optics

Q Yan, Z Wang, D Wang, R Ma, C Lu, G Ma… - Advances in Optics …, 2023 - opg.optica.org
Non-Abelian optics has emerged as a promising research field with the potential to
revolutionize our understanding of light–matter interactions and enable new applications in …

Even-denominator fractional quantum Hall states in bilayer graphene

JIA Li, C Tan, S Chen, Y Zeng, T Taniguchi… - Science, 2017 - science.org
The distinct Landau level spectrum of bilayer graphene (BLG) is predicted to support a non-
abelian even-denominator fractional quantum Hall (FQH) state similar to the 5 2 state first …

Even denominator fractional quantum Hall states in higher Landau levels of graphene

Y Kim, AC Balram, T Taniguchi, K Watanabe, JK Jain… - Nature Physics, 2019 - nature.com
An important development in the field of the fractional quantum Hall effect was the proposal
that the 5/2 state observed in the Landau level with orbital index n= 1 of two-dimensional …

Fractional quantum Hall effect of partons and the nature of the 8/17 state in the zeroth Landau level of bilayer graphene

AC Balram, N Regnault - Physical Review B, 2024 - APS
We consider the fractional quantum Hall effect (FQHE) at the filling factor 8/17, where
signatures of incompressibility have been observed in the zeroth Landau level of bilayer …

Very-high-energy collective states of partons in fractional quantum hall liquids

AC Balram, Z Liu, A Gromov, Z Papić - Physical Review X, 2022 - APS
The low-energy physics of fractional quantum Hall (FQH) states—a paradigm of strongly
correlated topological phases of matter—to a large extent is captured by weakly interacting …

Fractional quantum Hall effect with unconventional pairing in monolayer graphene

A Sharma, S Pu, AC Balram, JK Jain - Physical review letters, 2023 - APS
Motivated by the observation of even denominator fractional quantum Hall effect in the n= 3
Landau level of monolayer graphene [Kim et al., Nat. Phys. 15, 154 (2019) NPAHAX 1745 …

Parton construction of a wave function in the anti-Pfaffian phase

AC Balram, M Barkeshli, MS Rudner - Physical Review B, 2018 - APS
In this work we propose a parton state as a candidate state to describe the fractional
quantum Hall effect in the half-filled second Landau level. The wave function for this parton …

Universality of quantum phase transitions in the integer and fractional quantum Hall regimes

S Kaur, T Chanda, KR Amin, D Sahani… - Nature …, 2024 - nature.com
Fractional quantum Hall (FQH) phases emerge due to strong electronic interactions and are
characterized by anyonic quasiparticles, each distinguished by unique topological …