Jean-Philippe Brantut

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Publications associées (27)

Universal noise in continuous transport measurements of interacting fermions

Jean-Philippe Brantut

We propose and analyze continuous measurements of atom number and atomic currents using dispersive probing in an optical cavity. For an atom-number measurement in a closed system, we relate both the detection noise and the heating rate due to measurement b ...

2018

Transport ohne Ladung

Jean-Philippe Brantut

Transport von Materie, Ladung und Energie ist einer seits Schlüssel zum Verständnis von fast allen zentra len Vorgängen in der Natur und andererseits Grund lage für viele Technologien. Daher überrascht es nicht, dass Materialien in der Physik oft nach i ...

2018

Scanning Gate Microscope for Cold Atomic Gases

Jean-Philippe Brantut, Samuel Häusler

We present a scanning probe microscopy technique for spatially resolving transport in cold atomic gases, in close analogy with scanning gate microscopy in semiconductor physics. The conductance of a quantum point contact connected to two atomic reservoirs ...

2017

Two-terminal transport measurements with cold atoms

Jean-Philippe Brantut

In recent years, the ability of cold atom experiments to explore condensed-matter-related questions has dramatically progressed. Transport experiments, in particular, have expanded to the point in which conductance and other transport coefficients can now ...

Institute of Physics2017

Nonlinear relaxation of zero-dimension-trapped microcavity polaritons

Benoît Marie Joseph Deveaud, François Morier-Genoud, Taofiq Paraïso, Gaël Nardin, Ounsi El Daïf, Jean-Philippe Brantut

We study the emission properties of confined polariton states in shallow zero-dimensional traps under nonresonant excitation. We evidence several relaxation regimes. For slightly negative photon-exciton detuning, we observe a nonlinear increase of the emis ...

AIP American Institute of Physics2008

Polariton quantum boxes in semiconductor microcavities

Benoît Marie Joseph Deveaud, François Morier-Genoud, Reda Idrissi Kaitouni, Ounsi El Daïf, Jean-Philippe Brantut

American Institute of Physics2006

Zero dimensional exciton-polaritons

Vincenzo Savona, Benoît Marie Joseph Deveaud, François Morier-Genoud, Reda Idrissi Kaitouni, Gaël Nardin, Ounsi El Daïf, Jean-Philippe Brantut

We present a novel semiconductor structure in which 0D polaritons coexist with 2D microcavity polaritons. Spatial trapping of the 2D microcavity polaritons results from the confinement of their photonic part in a potential well, consisting of an adjustable ...

2006

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