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Thermoelastic response of Bragg crystals under MHz thermal loading

Autor: Liu, Peifan, Kim, Kwang-Je, Lindberg, Ryan, Shvyd'ko, Yuri

An x-ray free-electron laser oscillator (XFELO) is a promising candidate for producing fully coherent x-rays beyond the fourth-generation light sources. An R&D XFELO experiment (ANL-SLAC-Spring-8 collaboration) to demonstrate the basic principles and

Externí odkaz: http://arxiv.org/abs/2410.12290

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Noise-Modified, Paraxial Maxwell-Bloch Equations for X-ray Amplified Spontaneous Emission

Autor: Park, Jeong-Wan, Kim, Kwang-Je, Lindberg, Ryan

We present a Hamiltonian-based, 3D theory in paraxial approximation for X-ray amplified spontaneous emission (or superfluorescence) pumped by X-ray free-electron laser. The seed field is included. The ensemble-averaged Heisenberg equations become Max

Externí odkaz: http://arxiv.org/abs/2305.04653

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Transverse Gradient Undulator in a Storage Ring X-ray Free Electron Laser Oscillator

Autor: Li, Yuan Shen, Lindberg, Ryan, Kim, Kwang-Je

Modern electron storage rings produce bright X-rays via spontaneous synchrotron emission, which is useful for a variety of scientific applications. The X-ray free-electron laser oscillator (XFELO) has the potential to amplify this output, both in ter

Externí odkaz: http://arxiv.org/abs/2302.07303

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Observation of strange metal in hole-doped valley-spin insulator

Autor: Nguyen, Tuan Dung, Mallesh, Baithi, Kim, Seon Je, Bouzid, Houcine, Cho, Byeongwook, Le, Xuan Phu, Ngo, Tien Dat, Yoo, Won Jong, Kim, Young-Min, Duong, Dinh Loc, Lee, Young Hee

Temperature-linear resistance at low temperatures in strange metals is an exotic characteristic of strong correlation systems, as observed in high-TC superconducting cuprates, heavy fermions, Fe-based superconductors, ruthenates, and twisted bilayer

Externí odkaz: http://arxiv.org/abs/2209.03672

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