activity
19982025
most citedTopological Order and Conformal Quantum Critical Points

369 citations · 1.8k across the 51 of their papers we have counts for

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16 papers · 1 filter

cond-mat.mes-hall2022★ 1 cited

Spin-statistics relation for quantum Hall states

Alberto Nardin, Eddy Ardonne, Leonardo Mazza

We prove a generic spin-statistics relation for the fractional quasiparticles that appear in abelian quantum Hall states on the disk. The proof is based on an efficient way for com…

cond-mat.mes-hall2017★ 20 cited

Zero modes of the Kitaev chain with phase-gradients and longer range couplings

Iman Mahyaeh, Eddy Ardonne

We present an analytical solution for the full spectrum of Kitaev's one-dimensional p-wave superconductor with arbitrary hopping, pairing amplitude and chemical potential in the ca…

cond-mat.mes-hall2016★ 8 cited

Extended Majorana zero modes in a topological superconducting-normal T-junction

Christian Spånslätt, Eddy Ardonne

We investigate the sub gap properties of a three terminal Josephson T-junction composed of topologically superconducting wires connected by a normal metal region. This system natur…

cond-mat.mes-hall2015★ 11 cited

Topological aspects of phase winding junctions in superconducting wires

Christian Spånslätt, Eddy Ardonne, Jan Carl Budich +1

We theoretically investigate Josephson junctions with a phase shift of in various proximity induced one-dimensional superconductor models. One of the salient experimental signa…

cond-mat.mes-hall2013★ 37 cited

Topological invariant for generic 1D time reversal symmetric superconductors in class DIII

Jan Carl Budich, Eddy Ardonne

A one dimensional time reversal symmetric topological superconductor (symmetry class DIII) features a single Kramers pair of Majorana bound states at each of its ends. These hologr…

cond-mat.mes-hall2013★ 70 cited

Equivalent topological invariants for one-dimensional Majorana wires in symmetry class D

Jan Carl Budich, Eddy Ardonne

Topological superconductors in one spatial dimension exhibiting a single Majorana bound state at each end are distinguished from trivial gapped systems by a Z_2 topological invaria…

cond-mat.mes-hall2008★ 28 cited

Domain walls, fusion rules and conformal field theory in the quantum Hall regime

Eddy Ardonne

We provide a simple way to obtain the fusion rules associated with elementary quasi-holes over quantum Hall wave functions, in terms of domain walls. The knowledge of the fusion ru…

cond-mat.mes-hall2008★ 66 cited

Degeneracy of non-abelian quantum Hall states on the torus: domain walls and conformal field theory

Eddy Ardonne, Emil J. Bergholtz, Janik Kailasvuori +1

We analyze the non-abelian Read-Rezayi quantum Hall states on the torus, where it is natural to employ a mapping of the many-body problem onto a one-dimensional lattice model. On t…

cond-mat.mes-hall2006★ 55 cited

Wavefunctions for topological quantum registers

Eddy Ardonne, Kareljan Schoutens

We present explicit wavefunctions for quasi-hole excitations over a variety of non-abelian quantum Hall states: the Read-Rezayi states with k\geq 3 clustering properties and a pair…

cond-mat.mes-hall2004★ 31 cited

Filling the Bose sea: symmetric quantum Hall edge states and affine characters

Eddy Ardonne, Rinat Kedem, Michael Stone

We explore the structure of the bosonic analogues of the -clustered ``parafermion'' quantum Hall states. We show how the many-boson wave functions of -clustered quantum Hall…

cond-mat.mes-hall2001

Paired and clustered quantum Hall states

K. Schoutens, E. Ardonne, F. J. M. van Lankvelt

We briefly summarize properties of quantum Hall states with a pairing or clustering property. Their study employs a fundamental connection with parafermionic Conformal Field Theori…

cond-mat.mes-hall2001★ 79 cited

Non-Abelian spin-singlet quantum Hall states: wave functions and quasihole state counting

E. Ardonne, N. Read, E. Rezayi +1

We investigate a class of non-Abelian spin-singlet (NASS) quantum Hall phases, proposed previously. The trial ground and quasihole excited states are exact eigenstates of certain k…

cond-mat.mes-hall2001★ 37 cited

Separation of spin and charge in paired spin-singlet quantum Hall states

E. Ardonne, F. J. M. van Lankvelt, A. W. W. Ludwig +1

We propose a series of paired spin-singlet quantum Hall states, which exhibit a separation of spin and charge degrees of freedom. The fundamental excitations over these states, whi…

cond-mat.mes-hall2000★ 15 cited

Non-abelian quantum Hall states - exclusion statistics, K-matrices and duality

E. Ardonne, P. Bouwknegt, K. Schoutens

We study excitations in edge theories for non-abelian quantum Hall states, focussing on the spin polarized states proposed by Read and Rezayi and on the spin singlet states propose…

cond-mat.mes-hall1999★ 18 cited

K-matrices for non-abelian quantum Hall states

E. Ardonne, P. Bouwknegt, S. Guruswamy +1

Two fundamental aspects of so-called non-abelian quantum Hall states (the q-pfaffian states and more general) are a (generalized) pairing of the participating electrons and the non…

cond-mat.mes-hall1998★ 186 cited

New Class of Non-Abelian Spin-Singlet Quantum Hall States

E. Ardonne, K. Schoutens

We present a new class of non-abelian spin-singlet quantum Hall states, generalizing Halperin's abelian spin-singlet states and the Read-Rezayi non-abelian quantum Hall states for…