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Publications Influence

Path integral approach to quantum Brownian motion

- A. Caldeira, A. Leggett
- Physics, Mathematics
- 1 September 1983

TLDR

947 56

Influence of Dissipation on Quantum Tunneling in Macroscopic Systems

- A. Caldeira, A. Leggett
- Physics
- 26 January 1981

1,367 30

An Introduction to Macroscopic Quantum Phenomena and Quantum Dissipation

- A. Caldeira
- Physics
- 12 May 2014

Preface 1. Introduction 2. Elements of magnetism 3. Elements of superconductivity 4. Brownian motion 5. Models for quantum dissipation 6. Implementation of the propagator approach 7. The damped… Expand

59 5- PDF

Non-Markovian dynamics of quantum discord

- F. Fanchini, T. Werlang, C. Brasil, L. G. E. Arruda, A. Caldeira
- Physics
- 5 November 2009

We evaluate the quantum discord dynamics of two qubits in independent and common non-Markovian environments. We compare the dynamics of entanglement with that of quantum discord. For independent… Expand

355 2- PDF

Exact diagonalization of two quantum models for the damped harmonic oscillator

- M. D. Costa, A. Caldeira, S. M. Dutra, H. Westfahl
- Physics
- 5 March 1999

The damped harmonic oscillator is a workhorse for the study of dissipation in quantum mechanics. However, despite its simplicity, this system has given rise to some approximations whose validity and… Expand

57 1- PDF

Effective quantum dynamics of two Brownian particles

- O. Duarte, A. Caldeira
- Physics
- 30 May 2009

We use the system-plus-reservoir approach to study the quantum dynamics of a bipartite continuous variable system (two generic particles). We present an extension of the traditional model of a bath… Expand

10 1- PDF

Dynamics of topological defects in a spiral: a scenario for the spin-glass phase of cuprates.

- V. Juričič, L. Benfatto, A. Caldeira, C. Morais Smith
- Physics, Medicine
- Physical review letters
- 11 June 2003

We propose that the dissipative dynamics of topological defects in a spiral state is responsible for the transport properties in the spin-glass phase of cuprates. Using the collective-coordinate… Expand

11 1- PDF

Dissipative dynamics of topological defects in frustrated Heisenberg spin systems

- V. Juričič, L. Benfatto, A. Caldeira, C. M. Smith
- Physics
- 4 October 2004

We study the dynamics of topological defects of a frustrated spin system displaying spiral order. As a starting point we consider the $SO(3)$ nonlinear sigma model to describe long-wavelength… Expand

1 1- PDF

Conservation law for distributed entanglement of formation and quantum discord

- F. Fanchini, M. F. Cornelio, M. Oliveira, A. Caldeira
- Physics
- 12 June 2010

We present a direct relation, based upon a monogamic principle, between entanglement of formation (EOF) and quantum discord (QD), showing how they are distributed in an arbitrary tripartite pure… Expand

121- PDF