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Publications Influence

Entanglement entropy and quantum field theory

- P. Calabrese, J. Cardy
- Mathematics, Physics
- 18 May 2004

We carry out a systematic study of entanglement entropy in relativistic quantum field theory. This is defined as the von Neumann entropy SA = −Tr ρAlogρA corresponding to the reduced density matrix… Expand

1,765 146- PDF

Scaling and Renormalization in Statistical Physics

- J. Cardy
- Mathematics
- 26 April 1996

This text provides a thoroughly modern graduate-level introduction to the theory of critical behaviour. Beginning with a brief review of phase transitions in simple systems and of mean field theory,… Expand

1,433 107

Boundary Conditions, Fusion Rules and the Verlinde Formula

- J. Cardy
- Physics
- 10 March 1989

Abstract Boundary operators is conformal field theory are considered as arising from the juxtaposition of different types of boundary conditions. From this point of view, the operator content of the… Expand

957 88

Evolution of entanglement entropy in one-dimensional systems

- P. Calabrese, J. Cardy
- Mathematics, Physics
- 16 March 2005

We study the unitary time evolution of the entropy of entanglement of a one-dimensional system between the degrees of freedom in an interval of length and its complement, starting from a pure state… Expand

699 68- PDF

Operator Content of Two-Dimensional Conformally Invariant Theories

- J. Cardy
- Physics
- 1986

It is shown how conformal invariance relates many numerically accessible properties of the transfer matrix of a critical system in a finite-width infinitely long strip to bulk universal quantities.… Expand

1,340 63

Entanglement entropy and conformal field theory

- P. Calabrese, J. Cardy
- Physics, Mathematics
- 25 May 2009

We review the conformal field theory approach to entanglement entropy in 1+1 dimensions. We show how to apply these methods to the calculation of the entanglement entropy of a single interval, and… Expand

853 62- PDF

Conformal Invariance and Surface Critical Behavior

- J. Cardy
- Physics
- 26 November 1984

Abstract Conformal invariance constrains the form of correlation functions near a free surface. In two dimensions, for a wide class of models, it completely determines the correlation functions at… Expand

691 45

Critical percolation in finite geometries

- J. Cardy
- Physics
- 14 November 1991

The methods of conformal field theory are used to compute the crossing probabilities between segments of the boundary of a compact two-dimensional region at the percolation threshold. These… Expand

387 34- PDF

Is There a c Theorem in Four-Dimensions?

- J. Cardy
- Physics
- 29 December 1988

Abstract The difficulties of extending Zamolodchikov's c -theorem to dimensions d ≠ 2 are discussed. It is shown that, for d even, the one-point function of the trace of the stress tensor on the… Expand

430 29

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