Eli Chertkov
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View article: Probing the Critical Point (CritPt) of AI Reasoning: a Frontier Physics Research Benchmark
Probing the Critical Point (CritPt) of AI Reasoning: a Frontier Physics Research Benchmark Open
While large language models (LLMs) with reasoning capabilities are progressing rapidly on high-school math competitions and coding, can they reason effectively through complex, open-ended challenges found in frontier physics research? And …
View article: The future of the correlated electron problem
The future of the correlated electron problem Open
A central problem in modern condensed matter physics is the understanding of materials with strong electron correlations. Despite extensive work, the essential physics of many of these systems is not understood and there is very little abi…
View article: Computational Power of Random Quantum Circuits in Arbitrary Geometries
Computational Power of Random Quantum Circuits in Arbitrary Geometries Open
Empirical evidence for a gap between the computational powers of classical and quantum computers has been provided by experiments that sample the output distributions of two-dimensional quantum circuits. Many attempts to close this gap hav…
View article: Digital quantum magnetism at the frontier of classical simulations
Digital quantum magnetism at the frontier of classical simulations Open
The utility of near-term quantum computers for simulating realistic quantum systems hinges on the stability of digital quantum matter--realized when discrete quantum gates approximate continuous time evolution--and whether it can be mainta…
View article: Robustness of near-thermal dynamics on digital quantum computers
Robustness of near-thermal dynamics on digital quantum computers Open
Understanding the impact of gate errors on quantum circuits is crucial to determining the potential applications of quantum computers, especially in the absence of large-scale error-corrected hardware. We put forward analytical arguments, …
View article: The computational power of random quantum circuits in arbitrary geometries
The computational power of random quantum circuits in arbitrary geometries Open
Empirical evidence for a gap between the computational powers of classical and quantum computers has been provided by experiments that sample the output distributions of two-dimensional quantum circuits. Many attempts to close this gap hav…
View article: Qubit-Reuse Compilation with Mid-Circuit Measurement and Reset
Qubit-Reuse Compilation with Mid-Circuit Measurement and Reset Open
A number of commercially available quantum computers, such as those based on trapped-ion or superconducting qubits, can now perform mid-circuit measurements and resets. In addition to being crucial for quantum error correction, this capabi…
View article: A Race-Track Trapped-Ion Quantum Processor
A Race-Track Trapped-Ion Quantum Processor Open
We describe and benchmark a new quantum charge-coupled device (QCCD) trapped-ion quantum computer based on a linear trap with periodic boundary conditions, which resembles a race track. The new system successfully incorporates several tech…
View article: A Race Track Trapped-Ion Quantum Processor
A Race Track Trapped-Ion Quantum Processor Open
We describe and benchmark a new quantum charge-coupled device (QCCD) trapped-ion quantum computer based on a linear trap with periodic boundary conditions, which resembles a race track. The new system successfully incorporates several tech…
View article: Probing critical states of matter on a digital quantum computer
Probing critical states of matter on a digital quantum computer Open
Although quantum mechanics underpins the microscopic behavior of all materials, its effects are often obscured at the macroscopic level by thermal fluctuations. A notable exception is a zero-temperature phase transition, where scaling laws…
View article: Qubit-reuse compilation with mid-circuit measurement and reset
Qubit-reuse compilation with mid-circuit measurement and reset Open
A number of commercially available quantum computers, such as those based on trapped-ion or superconducting qubits, can now perform mid-circuit measurements and resets. In addition to being crucial for quantum error correction, this capabi…
View article: Characterizing a non-equilibrium phase transition on a quantum computer
Characterizing a non-equilibrium phase transition on a quantum computer Open
At transitions between phases of matter, physical systems can exhibit universal behavior independent of their microscopic details. Probing such behavior in quantum many-body systems is a challenging and practically important problem that c…
View article: Motif magnetism and quantum many-body scars
Motif magnetism and quantum many-body scars Open
In this work, we generally expect quantum systems to thermalize and satisfy the eigenstate thermalization hypothesis (ETH), which states that finite-energy-density eigenstates are thermal. However, some systems, such as many-body localized…
View article: Numerical Evidence for Many-Body Localization in Two and Three Dimensions
Numerical Evidence for Many-Body Localization in Two and Three Dimensions Open
Disorder and interactions can lead to the breakdown of statistical mechanics in certain quantum systems, a phenomenon known as many-body localization (MBL). Much of the phenomenology of MBL emerges from the existence of ℓ bits, a set of co…
View article: Computational Inverse Method for Constructing Spaces of Quantum Models from Wave Functions
Computational Inverse Method for Constructing Spaces of Quantum Models from Wave Functions Open
Traditional computational methods for studying quantum many-body systems are "forward methods," which take quantum models, i.e., Hamiltonians, as input and produce ground states as output. However, such forward methods often limit one's pe…
View article: Inverse design of disordered stealthy hyperuniform spin chains
Inverse design of disordered stealthy hyperuniform spin chains Open
Positioned between crystalline solids and liquids, disordered many-particle systems which are stealthy and hyperuniform represent new states of matter that are endowed with novel physical and thermodynamic properties. Such stealthy and hyp…