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We consider an ensemble of three-level particles in lambda-configuration interacting with two bosonic modes. The Hamiltonian has the form of a generalized Dicke-model. We show that in the thermodynamic limit this model supports a…

量子物理 · 物理学 2012-12-24 Mathias Hayn , Clive Emary , Tobias Brandes

Liquid-liquid phase transition (LLPT) in supercooled water has been a long-standing controversial issue. We show simulation results of real stable first-order phase transitions between high and low density liquid (HDL and LDL)-like…

软凝聚态物质 · 物理学 2020-06-30 Saeed Pourasad , Amir Hajibabaei , Chang Woo Myung , Kwang S. Kim

The search for new topological materials and states of matter is presently at the forefront of quantum materials research. One powerful approach to novel topological phases beyond the thermodynamic space is to combine different…

介观与纳米尺度物理 · 物理学 2019-01-29 Pavel P. Shibayev , Elio J. König , Maryam Salehi , Jisoo Moon , Myung-Geun Han , Seongshik Oh

We found that Bidirectional LSTM and Transformer can classify different phases of condensed matter models and determine the phase transition points by learning features in the Monte Carlo raw data before equilibrium. Our method can…

强关联电子 · 物理学 2022-09-15 Jiewei Ding , Ho-Kin Tang , Wing Chi Yu

The high-pressure behaviour of PbS was investigated by angular dispersive X-ray powder diffraction up to pressures of 6.8 GPa. Experiments were accompanied by first principles calculations at the density functional theory level. By…

材料科学 · 物理学 2009-11-07 K. Knorr , L. Ehm , M. Hytha , B. Winkler , W. Depmeier

MAB phases (MABs) are atomically-thin laminates of ceramic/metallic-like layers, having made a breakthrough in the development of 2D materials. Though theoretically offering a vast chemical and phase space, relatively few MABs have yet been…

材料科学 · 物理学 2024-06-21 Nikola Koutná , Lars Hultman , Paul H. Mayrhofer , Davide G. Sangiovanni

One of the challenging problems in the condensed matter physics is to understand the quantum many-body systems, especially, their physical mechanisms behind. Since there are only a few complete analytical solutions of these systems, several…

统计力学 · 物理学 2020-03-27 Jozef Genzor , Tomotoshi Nishino , Andrej Gendiar

In response to recent chemical attempts to construct higher-spin ladder materials from organic polyradicals, we study the ground-state properties of a wide class of antiferromagnetic spin-1 ladders. Employing various numerical tools, we…

强关联电子 · 物理学 2009-11-07 Shoji Yamamoto , Toru Sakai , Akihisa Koga

Phase transitions among Mg2SiO4 and its high-pressure polymorphs (wadsleyite and ringwoodite) are central to mantle dynamics and deep-mantle material cycling. However, the locations and Pressure-Temperature (P-T) dependences of these phase…

地球物理 · 物理学 2026-02-03 Siyu Zhou , Daohong Liu , Chuanyu Zhang , Yu He , Xuben Wang , Xiaopan Zuo

Topological phase classifications have been intensively studied via machine-learning techniques where different forms of the training data are proposed in order to maximize the information extracted from the systems of interests. Due to the…

量子物理 · 物理学 2023-05-08 Min-Ruei Lin , Wan-Ju Li , Shin-Ming Huang

Machine learning has been successfully used to study phase transitions. One of the most popular approaches to identifying critical points from data without prior knowledge of the underlying phases is the learning-by-confusion scheme. As…

机器学习 · 计算机科学 2023-11-16 Julian Arnold , Frank Schäfer , Niels Lörch

The computational prediction and design of peptide binders targeting specific linear epitopes is crucial in biological and biomedical research, yet it remains challenging due to their highly dynamic nature and the scarcity of experimentally…

生物大分子 · 定量生物学 2024-10-23 Haowen Zhao , Francesco A. Aprile , Barbara Bravi

This paper shows how data-driven machine learning approaches can improve growth control, reproducibility, and physical insight in the pulsed laser deposition (PLD) growth of correlated oxides. Despite well-known relationships between growth…

Learning-based 3D reconstruction using implicit neural representations has shown promising progress not only at the object level but also in more complicated scenes. In this paper, we propose Dynamic Plane Convolutional Occupancy Networks,…

计算机视觉与模式识别 · 计算机科学 2020-11-12 Stefan Lionar , Daniil Emtsev , Dusan Svilarkovic , Songyou Peng

We present a learning-based approach for removing unwanted obstructions, such as window reflections, fence occlusions or raindrops, from a short sequence of images captured by a moving camera. Our method leverages the motion differences…

计算机视觉与模式识别 · 计算机科学 2020-04-03 Yu-Lun Liu , Wei-Sheng Lai , Ming-Hsuan Yang , Yung-Yu Chuang , Jia-Bin Huang

A machine learning approach is presented to accelerate the computation of block polymer morphology evolution for large domains over long timescales. The strategy exploits the separation of characteristic times between coarse-grained…

化学物理 · 物理学 2023-09-01 Hyun Park , Boyuan Yu , Juhae Park , Ge Sun , Emad Tajkhorshid , Juan J. de Pablo , Ludwig Schneider

With the proliferation of mobile devices and the Internet of Things, deep learning models are increasingly deployed on devices with limited computing resources and memory, and are exposed to the threat of adversarial noise. Learning deep…

计算机视觉与模式识别 · 计算机科学 2021-12-30 Xian Wei , Yanhui Huang , Yangyu Xu , Mingsong Chen , Hai Lan , Yuanxiang Li , Zhongfeng Wang , Xuan Tang

Recent developments in self-supervised learning give us the possibility to further reduce human intervention in multi-step pipelines where the focus evolves around particular objects of interest. In the present paper, the focus lays in the…

计算机视觉与模式识别 · 计算机科学 2022-07-25 Peter Naylor , Yao-Hung Hubert Tsai , Marick Laé , Makoto Yamada

Transition metal dichalcogenides (TMDs) exist in various crystal structures with semiconducting, semi-metallic, and metallic properties. The dynamic control of these phases is of immediate interest for next generation electronics such as…

材料科学 · 物理学 2026-01-21 Dante Zakhidov , Daniel A. Rehn , Evan J. Reed , Alberto Salleo

In this paper the evolution of a binary mixture in a thin-film geometry with a wall at the top and bottom is considered. By bringing the mixture into its miscibility gap so that no spinodal decomposition occurs in the bulk, a slight…

流体动力学 · 物理学 2014-02-28 Matthew G. Hennessy , Victor M. Burlakov , Alain Goriely , Andreas Münch , Barbara Wagner