Search Results - "Weitz, Martin"

Observation of a non-Hermitian phase transition in an optical quantum gas by Öztürk, Fahri Emre, Lappe, Tim, Hellmann, Göran, Schmitt, Julian, Klaers, Jan, Vewinger, Frank, Kroha, Johann, Weitz, Martin

“…Quantum gases of light, such as photon or polariton condensates in optical microcavities, are collective quantum systems enabling a tailoring of dissipation…”
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Real-space imaging of a topologically protected edge state with ultracold atoms in an amplitude-chirped optical lattice by Leder, Martin, Grossert, Christopher, Sitta, Lukas, Genske, Maximilian, Rosch, Achim, Weitz, Martin

“…To describe a mobile defect in polyacetylene chains, Su, Schrieffer and Heeger formulated a model assuming two degenerate energy configurations that are…”
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Observation of grand-canonical number statistics in a photon Bose-Einstein condensate by Schmitt, Julian, Damm, Tobias, Dung, David, Vewinger, Frank, Klaers, Jan, Weitz, Martin

“…We report measurements of particle number correlations and fluctuations of a photon Bose-Einstein condensate in a dye microcavity using a Hanbury Brown-Twiss…”
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Thermalization of a two-dimensional photonic gas in a 'white wall' photon box by Weitz, Martin, Klaers, Jan, Vewinger, Frank

“…Bose-Einstein condensation, the macroscopic accumulation of bosonic particles in the energetic ground state below a critical temperature, has been demonstrated…”
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First-order spatial coherence measurements in a thermalized two-dimensional photonic quantum gas by Damm, Tobias, Dung, David, Vewinger, Frank, Weitz, Martin, Schmitt, Julian

“…Phase transitions between different states of matter can profoundly modify the order in physical systems, with the emergence of ferromagnetic or topological…”
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Quantum Rabi dynamics of trapped atoms far in the deep strong coupling regime by Koch, Johannes, Hunanyan, Geram R., Ockenfels, Till, Rico, Enrique, Solano, Enrique, Weitz, Martin

“…The coupling of a two-level system with an electromagnetic field, whose fully quantized version is the quantum Rabi model, is among the central topics of…”
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Directed Transport of Atoms in a Hamiltonian Quantum Ratchet by Salger, Tobias, Kling, Sebastian, Hecking, Tim, Geckeler, Carsten, Morales-Molina, Luis, Weitz, Martin

“…Classical ratchet potentials, which alternate a driving potential with periodic random dissipative motion, can account for the operation of biological motors…”
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Thermo-optical interactions in a dye-microcavity photon Bose-Einstein condensate by Alaeian, Hadiseh, Schedensack, Mira, Bartels, Clara, Peterseim, Daniel, Weitz, Martin

“…Superfluidity and Bose-Einstein condensation are usually considered as two closely related phenomena. Indeed, in most macroscopic quantum systems, like liquid…”
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Atomic Bloch-Zener oscillations and Stückelberg interferometry in optical lattices by Kling, Sebastian, Salger, Tobias, Grossert, Christopher, Weitz, Martin

“…We report on experiments investigating quantum transport and band interferometry of an atomic Bose-Einstein condensate in an optical lattice with a two-band…”
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Experimental control of transport resonances in a coherent quantum rocking ratchet by Grossert, Christopher, Leder, Martin, Denisov, Sergey, Hänggi, Peter, Weitz, Martin

“…The ratchet phenomenon is a means to get directed transport without net forces. Originally conceived to rectify stochastic motion and describe operational…”
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Calorimetry of a Bose–Einstein-condensed photon gas by Damm, Tobias, Schmitt, Julian, Liang, Qi, Dung, David, Vewinger, Frank, Weitz, Martin, Klaers, Jan

“…Phase transitions, as the condensation of a gas to a liquid, are often revealed by a discontinuous behaviour of thermodynamic quantities. For liquid helium,…”
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Resonance beating of light stored using atomic spinor polaritons by Karpa, Leon, Vewinger, Frank, Weitz, Martin

“…We investigate the storage of light in atomic rubidium vapor using a multilevel-tripod scheme. In the system, two collective dark polariton modes exist,…”
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Periodic quantum Rabi model with cold atoms at deep strong coupling by Hunanyan, Geram, Koch, Johannes, Moll, Stefanie, Rico, Enrique, Solano, Enrique, Weitz, Martin

“…The quantum Rabi model describes the coupling of a two-state system to a bosonic field mode. Recent theoretical work has pointed out that a generalized…”
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Observation of nonlinear response and Onsager regression in a photon Bose-Einstein condensate by Sazhin, Alexander, Gladilin, Vladimir N., Erglis, Andris, Hellmann, Göran, Vewinger, Frank, Weitz, Martin, Wouters, Michiel, Schmitt, Julian

“…The quantum regression theorem states that the correlations of a system at two different times are governed by the same equations of motion as the single-time…”
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Atomic interferometer based on adiabatic population transfer by Weitz, M, Young, BC, Chu, S

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Variable potentials for thermalized light and coupled condensates by Dung, David, Kurtscheid, Christian, Damm, Tobias, Schmitt, Julian, Vewinger, Frank, Weitz, Martin, Klaers, Jan

“…Variable micropotentials for light are created by thermo-optic imprinting of a dye–polymer solution within a microcavity. A thermalized photon Bose–Einstein…”
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Statistical physics of Bose-Einstein-condensed light in a dye microcavity by Klaers, Jan, Schmitt, Julian, Damm, Tobias, Vewinger, Frank, Weitz, Martin

“…We theoretically analyze the temperature behavior of paraxial light in thermal equilibrium with a dye-filled optical microcavity. At low temperatures the…”
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Thermally condensing photons into a coherently split state of light by Kurtscheid, Christian, Dung, David, Busley, Erik, Vewinger, Frank, Rosch, Achim, Weitz, Martin

“…The quantum state of light plays a crucial role in a wide range of fields, from quantum information science to precision measurements. Whereas complex quantum…”
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Dimensional crossover in a quantum gas of light by Karkihalli Umesh, Kirankumar, Schulz, Julian, Schmitt, Julian, Weitz, Martin, von Freymann, Georg, Vewinger, Frank

“…The dimensionality of a system profoundly influences its physical behaviour, leading to the emergence of different states of matter in many-body quantum…”
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Bose-Einstein Condensation of Photons in a Four-Site Quantum Ring by Redmann, Andreas, Kurtscheid, Christian, Wolf, Niels, Vewinger, Frank, Schmitt, Julian, Weitz, Martin

“…Thermalization of radiation by contact to matter is a well-known concept, but the application of thermodynamic methods to complex quantum states of light…”
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