275 citations · 1.3k across the 41 of their papers we have counts for
41 papers
Linear response across interaction regimes in two-dimensional ferromagnets
Aaron Müller, Pavel E. Dolgirev, Oleksii Malyshev +1
Recent discoveries of two-dimensional (2D) ferromagnets have stimulated intense interest in understanding and controlling their spin transport properties. A central microscopic fea…
Theory of Two-Qubit Spectroscopy of Quantum Many-Body Systems
Hossein Hosseinabadi, Pavel E. Dolgirev, Sarang Gopalakrishnan +3
Multi-qubit quantum sensors are rapidly emerging as platforms that extend the capabilities of conventional single-qubit sensing. In this work we show how suitable pulse sequences a…
Inverse Quantum Simulation for Quantum Material Design
Christian Kokail, Pavel E. Dolgirev, Rick van Bijnen +3
Quantum simulation provides a powerful route for exploring many-body phenomena beyond the capabilities of classical computation. Existing approaches typically proceed in the forwar…
Role of Phase Fluctuation in Dynamic Competition Between Charge Order and Superconductivity in Cuprates
Mingu Kang, Pavel E. Dolgirev, Chao C. Zhang +9
Phase fluctuations are a key factor distinguishing nonthermal (ultrafast) and thermal phase transitions. Charge order in cuprates is characterized by short-range coherence while co…
Probing emergent prethermal dynamics and resonant melting on a programmable quantum simulator
Siva Darbha, Alexey Khudorozhkov, Pedro L. S. Lopes +11
The dynamics of isolated quantum systems following a sudden quench plays a central role in many areas of material science, high-energy physics, and quantum chemistry. Featuring com…
Gap Inhomogeneity in Cuprates: a view from Two-Dimensional Josephson Echo Spectroscopy
Alex Gómez Salvador, Ivan Morera, Marios H. Michael +5
Novel theoretical developments have allowed to connect microscopic disorder in bosonic collective excitations to the signatures in two-dimensional terahertz spectroscopy (Gómez Sal…
Wideband covariance magnetometry below the diffraction limit
Xuan Hoang Le, Pavel E. Dolgirev, Piotr Put +6
We experimentally demonstrate a method for measuring correlations of wideband magnetic signals with spatial resolution below the optical diffraction limit. Our technique employs tw…
Enhanced coherent terahertz emission from critical superconducting fluctuations in YBaCuO
D. Nicoletti, M. Rosenberg, M. Buzzi +10
Coherent terahertz (THz) emission is emerging as a powerful new tool to probe symmetry breakings in quantum materials. This method relies on second order optical nonlinearities and…
Time-domain identification of distinct mechanisms for competing charge density waves in a rare-earth tritelluride
Yifan Su, B. Q. Lv, Alfred Zong +11
Understanding the origin of phase transitions and the interactions between distinct phases remains a central task in condensed matter physics. Charge density wave (CDW) systems pro…
Two-dimensional spectroscopy of bosonic collective excitations in disordered many-body systems
Alex Gómez Salvador, Ivan Morera, Marios H. Michael +5
We present a novel theoretical approach for computing and analyzing two-dimensional spectroscopy of bosonic collective excitations in disordered many-body systems. Specifically, we…
Optical signatures of interlayer electron coherence in a bilayer semiconductor
Xiaoling Liu, Nadine Leisgang, Pavel E. Dolgirev +10
Emergent strongly-correlated electronic phenomena in atomically-thin transition metal dichalcogenides are an exciting frontier in condensed matter physics, with examples ranging fr…
Quantum coarsening and collective dynamics on a programmable simulator
Tom Manovitz, Sophie H. Li, Sepehr Ebadi +15
Understanding the collective quantum dynamics of nonequilibrium many-body systems is an outstanding challenge in quantum science. In particular, dynamics driven by quantum fluctuat…
Magnon hydrodynamics in an atomically-thin ferromagnet
Ruolan Xue, Nikola Maksimovic, Pavel E. Dolgirev +12
Strong interactions between particles can lead to emergent collective excitations. These phenomena have been extensively established in electronic systems, but are also expected to…
Principles of 2D terahertz spectroscopy of collective excitations: the case of Josephson plasmons in layered superconductors
Alex Gómez Salvador, Pavel E. Dolgirev, Marios H. Michael +5
Two-dimensional terahertz spectroscopy (2DTS), a terahertz analogue of nuclear magnetic resonance, is a new technique poised to address many open questions in complex condensed mat…
Local noise spectroscopy of Wigner crystals in two-dimensional materials
Pavel E. Dolgirev, Ilya Esterlis, Alexander A. Zibrov +3
We propose to use local electromagnetic noise spectroscopy as a versatile and noninvasive tool to study Wigner crystal phases of strongly-interacting two-dimensional electronic sys…
Probing Inhomogeneous Cuprate Superconductivity by Terahertz Josephson Echo Spectroscopy
Albert Liu, Danica Pavicevic, Marios H. Michael +9
Inhomogeneities play a crucial role in determining the properties of quantum materials. Yet methods that can measure these inhomogeneities are few, and apply to only a fraction of…
Accelerating analysis of Boltzmann equations using Gaussian mixture models: Application to quantum Bose-Fermi mixtures
Pavel E. Dolgirev, Kushal Seetharam, Márton Kanász-Nagy +4
The Boltzmann equation is a powerful theoretical tool for modeling the collective dynamics of quantum many-body systems subject to external perturbations. Analysis of the equation…
Collective flow of fermionic impurities immersed in a Bose-Einstein Condensate
Zoe Z. Yan, Yiqi Ni, Alexander Chuang +5
Interacting mixtures of bosons and fermions are ubiquitous in nature. They form the backbone of the standard model of physics, provide a framework for understanding quantum materia…
Efficient variational approach to the Fermi polaron problem in two dimensions, both in and out of equilibrium
Yi-Fan Qu, Pavel E. Dolgirev, Eugene Demler +1
We develop a non-Gaussian variational approach that enables us to study both equilibrium and far-from-equilibrium physics of the two-dimensional Fermi polaron. This method provides…
Optically-induced Umklapp shift currents in striped cuprates
Pavel E. Dolgirev, Marios H. Michael, Jonathan B. Curtis +6
Motivated by recent experiments that observed low-frequency second-order optical responses in doped striped superconductors, here we investigate the nonlinear electrodynamics of sy…
Theory for Anomalous Terahertz Emission in Striped Cuprate Superconductors
Pavel E. Dolgirev, Marios H. Michael, Jonathan B. Curtis +5
Recent experiments in the doped cuprates LaBaCuO have revealed the emission of anomalous terahertz radiation after impulsive optical excitation. Here, we theoretica…
Coherent Emission from Surface Josephson Plasmons in Striped Cuprates
D. Nicoletti, M. Buzzi, M. Fechner +6
The interplay between charge order and superconductivity remains one of the central themes of research in quantum materials. In the case of cuprates, the coupling between striped c…
Role of equilibrium fluctuations in light-induced order
Alfred Zong, Pavel E. Dolgirev, Anshul Kogar +17
Engineering novel states of matter with light is at the forefront of materials research. An intensely studied direction is to realize broken-symmetry phases that are "hidden" under…
Characterizing two-dimensional superconductivity via nanoscale noise magnetometry with single-spin qubits
Pavel E. Dolgirev, Shubhayu Chatterjee, Ilya Esterlis +4
We propose nanoscale magnetometry via isolated single-spin qubits as a probe of superconductivity in two-dimensional materials. We characterize the magnetic field noise at the qubi…