activity
20132024
most citedSuppressing quantum errors by scaling a surface code logical qubit

1.1k citations · 3k across the 27 of their papers we have counts for

collaborators

27 papers

quant-ph2024★ 1 cited

Demonstrating dynamic surface codes

Alec Eickbusch, Matt McEwen, Volodymyr Sivak +204

A remarkable characteristic of quantum computing is the potential for reliable computation despite faulty qubits. This can be achieved through quantum error correction, which is ty…

quant-ph2024★ 27 cited

Visualizing Dynamics of Charges and Strings in (2+1)D Lattice Gauge Theories

Tyler A. Cochran, Bernhard Jobst, Eliott Rosenberg +189

Lattice gauge theories (LGTs) can be employed to understand a wide range of phenomena, from elementary particle scattering in high-energy physics to effective descriptions of many-…

quant-ph2024★ 702 cited

Quantum error correction below the surface code threshold

Rajeev Acharya, Laleh Aghababaie-Beni, Igor Aleiner +246

Quantum error correction provides a path to reach practical quantum computing by combining multiple physical qubits into a logical qubit, where the logical error rate is suppressed…

quant-ph2024★ 4 cited

Thermalization and Criticality on an Analog-Digital Quantum Simulator

Trond I. Andersen, Nikita Astrakhantsev, Amir H. Karamlou +224

Understanding how interacting particles approach thermal equilibrium is a major challenge of quantum simulators. Unlocking the full potential of such systems toward this goal requi…

quant-ph2024

On the electromagnetic couplings in superconducting qubit circuits

Ebrahim Forati, Brandon W. Langley, Ani Nersisyan +1

The precise engineering of electromagnetic couplings is paramount for constructing scalable and highfidelity superconducting quantum processors. While essential for orchestrating q…

quant-ph2024★ 52 cited

Resisting high-energy impact events through gap engineering in superconducting qubit arrays

Matt McEwen, Kevin C. Miao, Juan Atalaya +24

Quantum error correction (QEC) provides a practical path to fault-tolerant quantum computing through scaling to large qubit numbers, assuming that physical errors are sufficiently…

quant-ph2023★ 93 cited

Dynamics of magnetization at infinite temperature in a Heisenberg spin chain

Eliott Rosenberg, Trond Andersen, Rhine Samajdar +178

Understanding universal aspects of quantum dynamics is an unresolved problem in statistical mechanics. In particular, the spin dynamics of the 1D Heisenberg model were conjectured…

quant-ph2023★ 110 cited

Phase transition in Random Circuit Sampling

A. Morvan, B. Villalonga, X. Mi +182

Undesired coupling to the surrounding environment destroys long-range correlations on quantum processors and hinders the coherent evolution in the nominally available computational…

quant-ph2023★ 183 cited

Measurement-induced entanglement and teleportation on a noisy quantum processor

Jesse C. Hoke, Matteo Ippoliti, Eliott Rosenberg +160

Measurement has a special role in quantum theory: by collapsing the wavefunction it can enable phenomena such as teleportation and thereby alter the "arrow of time" that constrains…

quant-ph2022★ 76 cited

Measurement-Induced State Transitions in a Superconducting Qubit: Within the Rotating Wave Approximation

Mostafa Khezri, Alex Opremcak, Zijun Chen +9

Superconducting qubits typically use a dispersive readout scheme, where a resonator is coupled to a qubit such that its frequency is qubit-state dependent. Measurement is performed…

quant-ph2022★ 88 cited

Overcoming leakage in scalable quantum error correction

Kevin C. Miao, Matt McEwen, Juan Atalaya +114

Leakage of quantum information out of computational states into higher energy states represents a major challenge in the pursuit of quantum error correction (QEC). In a QEC circuit…

quant-ph2022★ 69 cited

Purification-based quantum error mitigation of pair-correlated electron simulations

T. E. O'Brien, G. Anselmetti, F. Gkritsis +173

An important measure of the development of quantum computing platforms has been the simulation of increasingly complex physical systems. Prior to fault-tolerant quantum computing,…

quant-ph2022★ 14 cited

Non-Abelian braiding of graph vertices in a superconducting processor

Trond I. Andersen, Yuri D. Lensky, Kostyantyn Kechedzhi +166

Indistinguishability of particles is a fundamental principle of quantum mechanics. For all elementary and quasiparticles observed to date - including fermions, bosons, and Abelian…

quant-ph2022★ 47 cited

Readout of a quantum processor with high dynamic range Josephson parametric amplifiers

T. C. White, Alex Opremcak, George Sterling +91

We demonstrate a high dynamic range Josephson parametric amplifier (JPA) in which the active nonlinear element is implemented using an array of rf-SQUIDs. The device is matched to…

quant-ph2022★ 1.1k cited

Suppressing quantum errors by scaling a surface code logical qubit

Rajeev Acharya, Igor Aleiner, Richard Allen +154

Practical quantum computing will require error rates that are well below what is achievable with physical qubits. Quantum error correction offers a path to algorithmically-relevant…

quant-ph2022★ 85 cited

Formation of robust bound states of interacting microwave photons

Alexis Morvan, Trond I. Andersen, Xiao Mi +147

Systems of correlated particles appear in many fields of science and represent some of the most intractable puzzles in nature. The computational challenge in these systems arises w…

quant-ph2022★ 96 cited

Noise-resilient Edge Modes on a Chain of Superconducting Qubits

Xiao Mi, Michael Sonner, Murphy Yuezhen Niu +125

Inherent symmetry of a quantum system may protect its otherwise fragile states. Leveraging such protection requires testing its robustness against uncontrolled environmental intera…

physics.optics2021★ 6 cited

Spontaneous emission rate and the density of states inside a one dimensional photonic crystal

Ebrahim Forati

Different densities of electromagnetic states inside a one dimensional photonic crystal (1D PC) are studied. Hertz vector formalism is used to calculate Green tensor inside a layer…

physics.optics2021★ 2 cited

Density of Bloch states inside a one dimensional photonic crystal

Ebrahim Forati

The density of Bloch electromagnetic states inside a one dimensional photonic crystal (1D PC) is formulated based on its dispersion relations. The formulation applied to any anisot…

physics.app-ph2018

Electron emission by long and short wavelength lasers: essentials for the design of plasmonic photocathodes

Ebrahim Forati, Dan Sievenpiper

Theory of electron emission by metallic photocathodes under the exposure of long wavelength lasers will be studied. Energy of photons in long wavelength lasers is less than the wor…

physics.optics2015★ 62 cited

Photoemission-based microelectronic devices

Ebrahim Forati, Tyler J. Dill, Andrea Tao +1

The vast majority of modern microelectronic devices rely on carriers within semiconductors due to their integrability. Therefore, the performance of these devices is limited due to…

physics.optics2015★ 1 cited

Magneto-optical metamaterial

Mehdi Sadatgol, Mahfuzur Rahman, Ebrahim Forati +2

We propose a new class of metamaterials called magneto-optical metamaterials that offer enhanced angle of rotation in polarization compared to bulk magneto-optical materials. In th…

physics.plasm-ph2014★ 1 cited

On the difference between breakdown and quench voltages of argon plasma and its relation to atomic state transitions

Ebrahim Forati, Shiva Piltan, Dan Sievenpiper

Using a relaxation oscillator circuit, breakdown () and quench () voltages of a DC discharge microplasma between two needle probes are measured. Hi…

cond-mat.mes-hall2014★ 21 cited

Graphene as a tunable THz reservoir for shaping the Mollow triplet of an artificial atom via plasmonic effects

Ebrahim Forati, George W. Hanson, Stephen Hughes

Using a realistic quantum master equation we show that the resonance fluorescence spectra of a two-level artificial atom (quantum dot) can be tuned by adjusting its photonic local…