Mentor: Dr. Yogesh K. Vohra

Dr. Paul Baker is carrying out experiments for diamond-based sensors that work under extreme environments. His work includes development of mask-less lithography, microwave plasma chemical vapor deposition, and materials characterization techniques, including Raman spectroscopy, X-ray Diffraction, Scanning Electron Microscopy, and X-ray Photoelectron Spectroscopy (XPS).

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Mentor: Dr. Yogesh K. Vohra

Dr. Kalaiselvan Ganesan is working on experiments in high-pressure physics and focusing on Novel Metastable Phases and Kinetic Studies in Transition Metals and Alloys under Terapascal Pressures.

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Mentor: Dr. Ilias Perakis

Dr. Myron Kapetanakis is performing computation and numerical simulations of the properties of transition metal oxides and two-dimensional materials, including time-dependent density functional theory numerical calculations and the theory of metal-insulator and magnetic laser-induced phase transitions during sub-picosecond time scales.

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Mentor: Dr. Ilias Perakis

Dr. Martin Mootz's objective is to engineer and control initial non-adiabatic quantum states and model strongly non-equilibrium quantum dynamics of competing phases by developing time-dependent many-body approaches based on density matrix and Green’s function theoretical and computational techniques. Such calculations address ultrafast nonlinear spectroscopy experiments (Ultrafast Teraherz pump-probe and two-dimensional correlation spectroscopies). By selectively manipulating electronic states with laser-induced selective excitations, the aim is to understand fundamental emergent-order phenomena and control metastable states of quantum correlated condensed matter systems far from equilibrium. Examples include laser-induced dynamic fluctuations of multiple coupled order parameter components, which determine, e.g. the coexistence of superconductivity with spin/charge density-wave order or quantum femtosecond magnetism during metal-insulator photoinduced transitions in complex oxides. Far-reaching consequences of this research can be envisioned as (1) addressing “root states” for describing quantum matter far-from-equilibrium; (2) manipulating quantum coherence and entanglement at the macroscopic level in quantum-critical condensed matter states. Of particular interest is the design and analysis of experimental measurements involving multiple tunable ultra-short optical, THz, and x-ray pulses.

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Mentor: Dr. Cheng-Chien Chen

Dr. Ekaterina Paerschke performs analytical and numerical calculations in quantum many-body physics and materials modeling, including theory-experiment collaborations on photon-based spectroscopies. His research includes the following: simulating photon-based spectroscopies on strongly correlated electron materials; deriving long-energy effective spin/orbital models and studying their phase diagrams as well as dynamics; developing non-equilibrium quantum many-body techniques for studying ultrafast time-domain experiments.

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