Publications (35)
Modeling electrostatic patch effects in Casimir force measurements
R. O. Behunin, F. Intravaia, D. A. R. Dalvit +2
Electrostatic patch potentials give rise to forces between neutral conductors at distances in the micrometer range and must be accounted for in the analysis of Casimir force experi…
Using graphene conductors to enhance the functionality of atom-chips
K. Wongcharoenbhorn, R. Crawford, N. Welch +6
We show that the performance and functionality of atom-chips can be transformed by using graphene-based van der Waals heterostructures to overcome present limitations on the lifeti…
A quasi-analytical modal approach for computing Casimir interactions in periodic nanostructures
F. Intravaia, P. S. Davids, R. S. Decca +3
We present an almost fully analytical technique for computing Casimir interactions between periodic lamellar gratings based on a modal approach. Our method improves on previous wor…
Quantum Rolling Friction
F. Intravaia, M. Oelschläger, D. Reiche +2
An atom moving in a vacuum at constant velocity and parallel to a surface experiences a frictional force induced by the dissipative interaction with the quantum fluctuations of the…
Casimir-Foucault interaction: Free energy and entropy at low temperature
F. Intravaia, Simen à . Ellingsen, C. Henkel
It was recently found that thermodynamic anomalies which arise in the Casimir effect between metals described by the Drude model can be attributed to the interaction of fluctuating…
Casimir energy and entropy between dissipative mirrors
F. Intravaia, C. Henkel
We discuss the Casimir effect between two identical, parallel slabs, emphasizing the role of dissipation and temperature. Starting from quite general assumptions, we analyze the be…
Dimensional transformation of defect-induced noise, dissipation, and nonlinearity
R. O. Behunin, F. Intravaia, P. T. Rakich
In recent years, material-induced noise arising from defects has emerged as an impediment to quantum-limited measurement in systems ranging from microwave qubits to gravity wave in…
Electromagnetic Viscosity in Complex Structured Environments: From black-body to Quantum Friction
M. Oelschläger, D. Reiche, C. H. Egerland +2
We investigate the nonconservative open-system dynamics of an atom in a generic complex structured electromagnetic environment at temperature . In such systems, when the atom mo…
Nonperturbative and non-Markovian Förster-interaction in waveguiding systems
T. Sproll, Ch. Martens, M. P. Schneider +2
An exact solution to the interaction between two emitters mediated by Förster resonance energy transfer is presented. The system is comprised of a one-dimensional optical waveguid…
The role of Surface Plasmon modes in the Casimir Effect
F. Intravaia, A. Lambrecht
In this paper we study the role of surface plasmon modes in the Casimir effect. First we write the Casimir energy as a sum over the modes of a real cavity. We may identify two sort…
Spatial dispersion in atom-surface quantum friction
D. Reiche, D. A. R. Dalvit, K. Busch +1
We investigate the influence of spatial dispersion on atom-surface quantum friction. We show that for atom-surface separations shorter than the carrier's mean free path within the…
Quantum theory of heating of a single trapped ion
F. Intravaia, S. Maniscalco, J. Piilo +1
The heating of trapped ions due to the interaction with a {\it quantized environment} is studied {\it without performing the Born-Markov approximation}. A generalized master equati…
Optical BCS conductivity at imaginary frequencies and dispersion energies of superconductors
G. Bimonte, H. Haakh, C. Henkel +1
We present an efficient expression for the analytic continuation to arbitrary complex frequencies of the complex optical and AC conductivity of a homogeneous superconductor with ar…
Thermal effects in the magnetic Casimir-Polder interaction
H. Haakh, F. Intravaia, C. Henkel
We investigate the magnetic dipole coupling between a metallic surface and an atom in a thermal state, ground state and excited hyperine state. This interaction results in a repuls…
Vacuum Incalescence
F. Intravaia
In quantum theory the vacuum is defined as a state of minimum energy that is devoid of particles but still not completely empty. It is perhaps more surprising that its definition d…
Misbelief and misunderstandings on the non--Markovian dynamics of a damped harmonic oscillator
S. Maniscalco, F. Intravaia, J. Piilo +1
We use the exact solution for the damped harmonic oscillator to discuss some relevant aspects of its open dynamics often mislead or misunderstood. We compare two different approxim…
Temperature dependence of the plasmonic Casimir interaction
F. Intravaia, H. Haakh, C. Henkel
We investigate the role of surface plasmons in the electromagnetic Casimir effect at finite temperature, including situations out of global thermal equilibrium. The free energy is…
Casimir interaction between absorbing and meta Materials
F. Intravaia, C. Henkel
We investigate the Casimir energy between two dissipative mirrors in term of a sum over mode formula which can be interpreted by analogy to a quantum dissipative oscillator. We als…
Non-Markovianity in atom-surface dispersion forces
F. Intravaia, R. O. Behunin, C. Henkel +2
We discuss the failure of the Markov approximation in the description of atom-surface fluctuation-induced interactions, both at equilibrium (Casimir-Polder forces) and out-of-equil…
Quantum friction and fluctuation theorems
F. Intravaia, R. O. Behunin, D. A. R. Dalvit
We use general concepts of statistical mechanics to compute the quantum frictional force on an atom moving at constant velocity above a planar surface. We derive the zero-temperatu…
Modal Approach to Casimir Forces in Periodic Structures
P. S. Davids, F. Intravaia, F. S. S. Rosa +1
We present a modal approach to calculate finite temperature Casimir interactions between two periodically modulated surfaces. The scattering formula is used and the reflection matr…
Nonequilibrium Casimir-Polder Force: Motion-induced Thermal-like Effect
D. Reiche, B. Beverungen, K. Busch +1
The Casimir-Polder force is analyzed when an atom is moving at a constant velocity relative to a collection of translationally invariant macroscopic bodies with generic shapes and…
Failure of local thermal equilibrium in quantum friction
F. Intravaia, R. O. Behunin, C. Henkel +2
Recent progress in manipulating atomic and condensed matter systems has instigated a surge of interest in non-equilibrium physics, including many-body dynamics of trapped ultracold…
Lindblad and non--Lindblad type dynamics of a quantum Brownian particle
S. Maniscalco, J. Piilo, F. Intravaia +2
The dynamics of a typical open quantum system, namely a quantum Brownian particle in a harmonic potential, is studied focussing on its non-Markovian regime. Both an analytic approa…
Temperature dependence of the magnetic Casimir-Polder interaction
H. Haakh, F. Intravaia, C. Henkel +4
We analyze the magnetic dipole contribution to atom-surface dispersion forces. Unlike its electrical counterpart, it involves small transition frequencies that are comparable to th…
Density matrix operatorial solution of the non--Markovian Master Equation for Quantum Brownian Motion
F. Intravaia, S. Maniscalco, A. Messina
An original method to exactly solve the non-Markovian Master Equation describing the interaction of a single harmonic oscillator with a quantum environment in the weak coupling lim…
The power-spectrum tensor in steady-state systems and its role in quantum friction
F. Intravaia, K. Busch
We derive and classify properties of the power-spectrum tensor for systems in general steady-states, including stationary states not necessarily corresponding to equilibrium config…
Surface plasmon modes and the Casimir energy
F. Intravaia, A. Lambrecht
We show the influence of surface plasmons on the Casimir effect between two plane parallel metallic mirrors at arbitrary distances. Using the plasma model to describe the optical r…
Fluctuation-induced forces between atoms and surfaces: the Casimir-Polder interaction
F. Intravaia, C. Henkel, M. Antezza
Electromagnetic fluctuation-induced forces between atoms and surfaces are generally known as Casimir-Polder interactions. The exact knowledge of these forces is rapidly becoming im…
Simulating quantum Brownian motion with single trapped ions
S. Maniscalco, J. Piilo, F. Intravaia +2
We study the open system dynamics of a harmonic oscillator coupled with an artificially engineered reservoir. We single out the reservoir and system variables governing the passage…
The Role of Surface Plasmons in The Casimir Effect
F. Intravaia, C. Henkel, A. Lambrecht
In this paper we study the role of surface plasmon modes in the Casimir effect. The Casimir energy can be written as a sum over the modes of a real cavity and one may identify two…
Consistency of a Causal Theory of Radiative Reaction with the Optical Theorem
F. Intravaia, R. Behunin, P. W. Milonni +2
The Abraham-Lorentz-Dirac equation for a point electron, while suffering from runaway solutions and an acausal response to external forces, is compatible with the optical theorem.…
Spoof polariton enhanced modal density of states in planar nanostructured metallic cavities
P. S. Davids, F. Intravaia, D. A. R. Dalvit
Spoof surface modes on nanostructured metallic surfaces are known to have tailorable dispersion dependent on the geometric characteristics of the periodic pattern. Here we examine…
Plasmonic modes in nanowire dimers: A study based on the hydrodynamic Drude model including nonlocal and nonlinear effects
M. Moeferdt, T. Kiel, T. Sproll +2
A combined analytical and numerical study of the modes in two distinct plasmonic nanowire systems is presented. The computations are based on a Discontinuous Galerkin Time-Domain a…
The rotating wave system-reservoir coupling: limitations and meaning in the non-Markovian regime
F. Intravaia, S. Maniscalco, A. Messina
This paper deals with the dissipative dynamics of a quantum harmonic oscillator interacting with a bosonic reservoir. The Master Equations based on the Rotating Wave and on the Fey…