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Related papers: Quantitative study of enantiomer-specific state tr…

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Physical systems with gain and loss can be described by a non-Hermitian Hamiltonian, which is degenerated at the exceptional points (EPs). Many new and unexpected features have been explored in the non-Hermitian systems with a great deal of…

The control and manipulation of quantum-entangled non-local states is a crucial step for the development of quantum information processing. A promising route to achieve such states on a wide scale is to couple solid-state quantum emitters…

Optics · Physics 2022-07-06 J. -B Trebbia , Q Deplano , P Tamarat , B Lounis

We investigate the modification of S and P wave states in the bottomonium spectrum above and below the deconfinement crossover temperature through their spectral functions obtained from the maximum entropy method. Anisotropic ensembles with…

High Energy Physics - Lattice · Physics 2013-11-18 Tim Harris , Sinéad M. Ryan , Gert Aarts , Chris Allton , Seyong Kim , Maria Paola Lombardo , Jon-Ivar Skullerud

We show that the position of the exceptional points (EPs) in the parameter space of a chiral molecule coupled to the photoionization continuum by a three-color field is enantiosensitive. Using a minimal model of a three-level system driven…

Quantum Physics · Physics 2023-07-11 Nicola Mayer , Nimrod Moiseyev , Olga Smirnova

We investigate the quantum phase transitions of bosonic polar molecules in a two-dimensional double layer system. We show that an interlayer bound state of dipoles (dimers) can be formed when the dipole strength is above a critical value,…

Other Condensed Matter · Physics 2007-05-23 Daw-Wei Wang

The rotational spectrum of the higher-energy trans conformational isomer of methyl formate has been assigned for the first time using several pulsed-jet Fourier transform microwave spectrometers in the 6-60 GHz frequency range. This species…

The quantum efficiency of an electroluminescent intersubband emitter based on InAs/AlSb has been measured as a function of the magnetic field up to 20T. Two series of oscillations periodic in 1/B are observed, corresponding to the elastic…

Mesoscale and Nanoscale Physics · Physics 2015-01-29 C. Faugeras , A. Wade , A. Leuliet , A. Vasanelli , C. Sirtori , G. Fedorov , D. Smirnov , R. Teissier , A. Baranov , D. Barate , J. Devenson

Chiral discrimination of enantiomeric biomolecules is vital in chemistry, biology, and medicine. Conventional methods, relying on circularly polarized light, face weak chiroptical signals and potential photodamage. Despite extensive efforts…

Quantum Physics · Physics 2026-01-21 Yiquan Yang , Xiaolong Hu , Wei Du , Shuhe Wu , Peiyu Yang , Guzhi Bao , Weiping Zhang

We present, experimentally and theoretically, a scheme for dressed-state electromagnetically induced transparency (EIT) in a three-step cascade system where a four-level system is mapped into an effective three-level system. Theoretical…

Atomic Physics · Physics 2016-09-22 Nikola Šibalić , Jorge M. Kondo , Charles S. Adams , Kevin J. Weatherill

We offer a general treatment of electromagnetically induced transparency (EIT) in a five level system consisting of four metastable ground states. Two additional RF/microwave fields coherently couple the two ground states of the standard…

Quantum Physics · Physics 2009-11-13 James Owen Weatherall , Christopher P. Search

A coherent control scheme for the population distribution in the vibrational states of nonpolar molecules is proposed. Our theoretical analysis and results of numerical simulations for the interaction of the hydrogen molecular ion in its…

Quantum Physics · Physics 2011-02-17 A. Picón , J. Biegert , A. Jaron-Becker , A. Becker

Laser-assisted enantio-conversion is an ambitious issue related to chiral molecules in the atomic, molecular, and optical physics. The theoretical laser-distillation method had been proposed to realize enantio-conversion based on a…

Chemical Physics · Physics 2021-09-01 Chong Ye , Quansheng Zhang , Yu-Yuan Chen , Yong Li

Excited-state intramolecular proton transfer (ESIPT) is a fundamental photochemical process in which photoexcitation induces proton transfer within a molecule, leading to the formation of a tautomeric excited state. It was observed…

Chemical Physics · Physics 2026-03-03 Alessandro Nicola Nardi , Morgane Vacher

Rotational transitions of $iso$-propyl cyanide, (CH$_3$)$_2$CHCN, also known as $iso$-butyronitrile, were recorded using long-path absorption spectroscopy in selected regions between 37 and 600 GHz. Further measurements were carried out…

Instrumentation and Methods for Astrophysics · Physics 2019-03-21 Holger S. P. Müller , Audrey Coutens , Adam Walters , Jens-Uwe Grabow , Stephan Schlemmer

We demonstrate chirality-induced three-wave mixing in the microwave regime, using rotational transitions in cold gas-phase samples of 1,2-propanediol and 1,3-butanediol. We show that bulk three-wave mixing, which can only be realized in a…

Chemical Physics · Physics 2015-06-16 David Patterson , John M. Doyle

The control over quantum states in atomic systems has led to the most precise optical atomic clocks to date. Their sensitivity is currently bounded by the standard quantum limit, a fundamental floor set by quantum mechanics for uncorrelated…

We introduce a novel method for the simulation of the impact scattering in vibrational scanning transmission electron microscopy electron energy loss spectroscopy (STEM-EELS) simulations. The phonon-loss process is modeled by a combination…

Materials Science · Physics 2020-01-22 Paul M. Zeiger , Ján Rusz

Traditionally, spectroscopy is performed by examining the position of absorption lines. However, at frequencies near the transition frequency, additional information can be obtained from the phase shift. In this work we consider the…

Quantum Physics · Physics 2016-06-14 Hossein T. Dinani , Manish K. Gupta , Jonathan P. Dowling , Dominic W. Berry

We propose a process to convert ultracold metastable Cs$_2$ molecules in their lowest triplet state into (singlet) ground state molecules in their lowest vibrational levels. Molecules are first pumped into an excited triplet state, and the…

Quantum Physics · Physics 2015-05-20 Nadia Bouloufa , Marin Pichler , Mireille Aymar , Olivier Dulieu

Dual fluorescence in 4-(dimethylamino)benzonitrile (DMABN) and its derivatives in polar solvents has been studied extensively for the past several decades. An intramolecular charge transfer (ICT) minimum on the excited state potential…

Chemical Physics · Physics 2025-03-26 Avdhoot Datar , Saisrinivas Gudivada , Devin A. Matthews