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Related papers: The multi-purpose three-axis spectrometer (TAS) MI…

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We propose a Modulation of intensity with zero effort (MIEZE) set-up for high-resolution neutron spectroscopy at momentum transfers up to 3\r{A}$^{-1}$,energy transfers up to ~ 20 meV, and an energy resolution in the $\mu$eV-range using…

Strongly Correlated Electrons · Physics 2022-11-21 Johanna K. Jochum , Christian Franz , Thomas Keller , Christian Pfleiderer

The RESEDA (Resonant Spin-Echo for Diverse Applications) instrument has been optimized for neutron scattering measurements of quasi-elastic and inelastic processes over a wide parameter range. One spectrometer arm of RESEDA is configured…

Instrumentation and Detectors · Physics 2022-11-22 J. C. Leiner , C. Franz , J. K. Jochum , C. Pfleiderer

Recent progress in neutron spin-echo spectroscopy by means of longitudinal Modulation of IntEnsity with Zero Effort (MIEZE) is reviewed. Key technical characteristics are summarized which highlight that the parameter range accessible in…

We have determined the magnetic structure of the low-temperature incommensurate phase of multiferroic YMn2O5 using single-crystal neutron diffraction. By employing corepresentation analysis, we have ensured full compliance with both…

Materials Science · Physics 2009-11-13 P. G. Radaelli , C. Vecchini , L. C. Chapon , P. J. Brown , S. Park , S-W. Cheong

The MIEZE (Modulation of Intensity with Zero Effort) technique is a variant of neutron resonance spin echo (NRSE), which has proven to be a unique neutron scattering technique for measuring with high energy resolution in magnetic fields.…

Instrumentation and Detectors · Physics 2013-04-22 T. Weber , G. Brandl , R. Georgii , W. Häußler , S. Weichselbaumer , P. Böni

Coherent spin resonance methods such as nuclear magnetic resonance (NMR) and electron spin resonance (ESR) spectroscopy have led to spectrally highly sensitive, non-invasive quantum imaging techniques with groundbreaking applications in…

The spin dynamics and magnetic excitations of the slightly distorted triangular s = 3/2 system alpha-CaCr2O4 are investigated by means of Raman spectroscopy and electron spin resonance (ESR) to elucidate its peculiar magnetic properties.…

An asymptotic model based on a reductive perturbative expansion of the drift kinetic and the Maxwell equations is used to demonstrate that, near the instability threshold, the nonlinear dynamics of mirror modes in a magnetized plasma with…

Plasma Physics · Physics 2015-05-13 E. A. Kuznetsov , T. Passot , P. L. Sulem

Neutron scattering is a well-established tool for the investigation of the static and dynamic properties of condensed matter systems over a wide range of spatial and temporal scales. Many studies of high interest, however, can only be…

Instrumentation and Detectors · Physics 2022-08-10 Christoph Herb , Oliver Zimmer , Robert Georgii , Peter Böni

IRIS (InfraRed Imaging Spectrograph) is a first light near-infrared diffraction limited imager and integral field spectrograph being designed for the future Thirty Meter Telescope (TMT). IRIS is optimized to perform astronomical studies…

Raman micro-spectroscopy is well suited for studying a variety of properties and has been applied to wide- ranging areas. Combined with tuneable temperature, Raman spectra can offer even more insights into the properties of materials.…

The Multi-Reference Alignment (MRA) problem aims at the recovery of an unknown signal from repeated observations under the latent action of a group of cyclic isometries, in the presence of additive noise of high intensity $\sigma$. It is a…

Statistics Theory · Mathematics 2023-12-14 Subhro Ghosh , Soumendu Sundar Mukherjee , Jing Bin Pan

The Low Resolution Spectrometer of the MIRI, which forms part of the imager module, will provide R~100 long-slit and slitless spectroscopy from 5 to 12 micron. The design is optimised for observations of compact sources, such as exoplanet…

Instrumentation and Methods for Astrophysics · Physics 2015-12-10 S. Kendrew , S. Scheithauer , P. Bouchet , J. Amiaux , R. Azzolini , J. Bouwman , C. Chen , D. Dubreuil , S. Fischer , A. Glasse , T. Greene , P. -O. Lagage , F. Lahuis , S. Ronayette , D. Wright , G. S. Wright

We describe a quasi-optical multifrequency ESR spectrometer operating in the 75-225 GHz range and optimized at 210 GHz for general use in condensed matter physics, chemistry and biology. The quasi-optical bridge detects the change of mm…

Materials Science · Physics 2012-10-23 Kalman L Nagy , Dario Quintavalle , Titusz Feher , Andras Janossy

We present a nuclear magnetic resonance (NMR) and electron spin resonance (ESR) study of rare-earth titanates derived from the spin-1/2 Mott insulator YTiO$_3$. Measurements of single-crystalline samples of (Y,Ca,La)TiO$_3$ in a wide range…

Strongly Correlated Electrons · Physics 2024-05-10 Ana Najev , Sajna Hameed , Alexey Alfonsov , Joseph Joe , Vladislav Kataev , Martin Greven , Miroslav Požek , Damjan Pelc

The KArlsruhe TRItium Neutrino experiment (KATRIN) aims to measure the absolute neutrino mass scale with an unprecedented sensitivity of 0.2 eV/c2 (90% C.L.), using beta decay electrons from tritium decay. The kinetic energy of the decay…

Instrumentation and Detectors · Physics 2018-09-26 J. Letnev , W. Hazenbiller , A. Osipowicz , A. Beglarian , H. Bouquet , G. Drexlin , F. Glück , J. Garbe , H. Hillmer , P. Marte , T. Thümmler , Ch. Weinheimer

Noise measurements have been carried out in the LISA bandwidth (0.1 mHz to 100 mHz) to characterize an all-optical atomic magnetometer based on nonlinear magneto-optical rotation. This was done in order to assess if the technology can be…

Instrumentation and Detectors · Physics 2015-01-19 I. Mateos , B. Patton , E. Zhivun , D. Budker , D. Wurm , J. Ramos-Castro

We develop a theory of spin noise spectroscopy of itinerant, noninteracting, spin-carrying fermions in different regimes of temperature and disorder. We use kinetic equations for the density matrix in spin variables. We find a general…

Statistical Mechanics · Physics 2015-05-14 Simon Kos , Alexander V. Balatsky , Peter B. Littlewood , Darryl L. Smith

After a short analysis of the main problems involved in the construction of a Far Infrared polarimeter with very low instrumental noise, we describe the instrument that will be employed at MITO telescope to search for calibration sources…

We report proof-of-principle measurements at the neutron resonance spin echo spectrometer RESEDA (MLZ) under large magnetic fields by means of Modulation of IntEnsity with Zero Effort (MIEZE). Our study demonstrates the feasibility of…

Instrumentation and Detectors · Physics 2015-06-19 J. Kindervater , N. Martin , W. Häußler , M. Krautloher , C. Fuchs , S. Mühlbauer , J. A. Lim , E. Blackburn , P. Böni , C. Pfleiderer
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