485 citations · 3.3k across the 72 of their papers we have counts for
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Parity effects in the scaling of block entanglement in gapless spin chains
Pasquale Calabrese, Massimo Campostrini, Fabian Essler +1
We consider the Renyi alpha-entropies for Luttinger liquids (LL). For large block lengths l these are known to grow like ln l. We show that there are subleading terms that oscillat…
Trap-size scaling in confined particle systems at quantum transitions
Massimo Campostrini, Ettore Vicari
We develop a trap-size scaling theory for trapped particle systems at quantum transitions. As a theoretical laboratory, we consider a quantum XY chain in an external transverse fie…
Critical behavior and scaling in trapped systems
Massimo Campostrini, Ettore Vicari
We study the scaling properties of critical particle systems confined by a potential. Using renormalization-group arguments, we show that their critical behavior can be cast in the…