Magnetic Hofstadter butterfly and its topologically quantized Hall conductance
Sign Up to like & getrecommendations! Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.98.155425
Abstract: The energy spectrum of massless Dirac fermions in graphene under two-dimensional periodic magnetic modulation with square-lattice symmetry is calculated. We show that the translation symmetry of the problem is similar to that of the Hofstadter… read more here.
Keywords: topologically quantized; magnetic hofstadter; hall conductance; quantized hall ... See more keywords
Fractional Disclination Charge and Discrete Shift in the Hofstadter Butterfly.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.275301
Abstract: In the presence of crystalline symmetries, topological phases of matter acquire a host of invariants leading to nontrivial quantized responses. Here we study a particular invariant, the discrete shift 𝒮, for the square lattice Hofstadter… read more here.
Keywords: disclination; discrete shift; charge; hofstadter ... See more keywords
From Status Politics to the Paranoid Style: Richard Hofstadter and the Pitfalls of Psychologizing History
Sign Up to like & getrecommendations! Published in 2022 at "Journal of the History of Ideas"
DOI: 10.1353/jhi.2022.0022
Abstract: Abstract:The decade extending from the mid-1950s to the mid-1960s in the career of the American historian Richard Hofstadter (1916–70) was marked by a series of engagements with American right-wing politics. This article seeks to re-evaluate… read more here.
Keywords: hofstadter; richard hofstadter; history; paranoid style ... See more keywords