Transient logic operations in acoustics through dynamic modulation
- URL: http://arxiv.org/abs/2306.17387v1
- Date: Fri, 30 Jun 2023 03:27:52 GMT
- Title: Transient logic operations in acoustics through dynamic modulation
- Authors: Zhao-xian Chen, Ling-ling Ma, Shi-jun Ge, Ze-Guo Chen and Yan-qing Lu
- Abstract summary: Abelian and non-Abelian phases can be emulated in classical waves using passive coupled waveguides with geometric modulation.
We introduce an electroacoustic coupled system that enables the precise control of phase distribution through dynamic modulation of hopping.
We report experimental realizations of several logic operations, including $Y$ gate, $Z$ gate, Hadamard gate and non-Abelian braiding.
- Score: 0.6124773188525718
- License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
- Abstract: In quantum logic operations, information is carried by the wavefunction
rather than the energy distribution. Therefore, the relative phase is
essential. Abelian and non-Abelian phases can be emulated in classical waves
using passive coupled waveguides with geometric modulation. However, the
dynamic phases interference induced by waveguide structure variation is
inevitable.To overcome the challenges, we introduce an electroacoustic coupled
system that enables the precise control of phase distribution through dynamic
modulation of hopping. Such effective hopping is electronically controlled and
is utilized to construct various paths in parameter space. These paths lead to
state evolution with matrix-valued geometric phases, which correspond to logic
operations. We report experimental realizations of several logic operations,
including $Y$ gate, $Z$ gate, Hadamard gate and non-Abelian braiding. Our work
introduces a temporal process to manipulate transient modes in a compact
structure, providing a versatile experimental testbed for exploring other logic
gates and exotic topological phenomena.
Related papers
- Nonlinear dynamical Casimir effect and Unruh entanglement in waveguide QED with parametrically modulated coupling [83.88591755871734]
We study theoretically an array of two-level qubits moving relative to a one-dimensional waveguide.
When the frequency of this motion approaches twice the qubit resonance frequency, it induces parametric generation of photons and excitation of the qubits.
We develop a comprehensive general theoretical framework that incorporates both perturbative diagrammatic techniques and a rigorous master-equation approach.
arXiv Detail & Related papers (2024-08-30T15:54:33Z) - Interplay between topology and localization on superconducting circuits [8.677714774061142]
We investigate the competition between topology and localization in the one-dimensional Su-Schrieffer-Heeger (SSH) model.
We construct phase diagrams that illustrate the extended nontrivial, critical localization, and coexisting topological and critical localization phases.
We propose a method for detecting different quantum phases using current experimental setups.
arXiv Detail & Related papers (2023-05-04T01:34:29Z) - Onset of scrambling as a dynamical transition in tunable-range quantum
circuits [0.0]
We identify a dynamical transition marking the onset of scrambling in quantum circuits with different levels of long-range connectivity.
We show that as a function of the interaction range for circuits of different structures, the tripartite mutual information exhibits a scaling collapse.
In addition to systems with conventional power-law interactions, we identify the same phenomenon in deterministic, sparse circuits.
arXiv Detail & Related papers (2023-04-19T17:37:10Z) - Localization effects from local phase shifts in the modulation of
waveguide arrays [0.0]
We introduce randomness into artificial gauge fields by applying local random phase shifts in the modulation of lattices of optical waveguides.
We demonstrate the onset of Anderson localization in 1D- and 2D-lattices of x-, and helically-modulated waveguides via randomly choosing the modulation phases of the individual waveguides.
arXiv Detail & Related papers (2023-02-16T19:53:34Z) - Variational waveguide QED simulators [58.720142291102135]
Waveguide QED simulators are made by quantum emitters interacting with one-dimensional photonic band-gap materials.
Here, we demonstrate how these interactions can be a resource to develop more efficient variational quantum algorithms.
arXiv Detail & Related papers (2023-02-03T18:55:08Z) - Waveflow: boundary-conditioned normalizing flows applied to fermionic wavefunctions [3.7135179920970534]
We introduce Waveflow, a framework for learning fermionic wavefunctions using boundary-conditioned normalizing flows.
We show that Waveflow can effectively resolve topological mismatches and faithfully learn the ground-state wavefunction.
arXiv Detail & Related papers (2022-11-27T14:32:09Z) - Extensible circuit-QED architecture via amplitude- and
frequency-variable microwaves [52.77024349608834]
We introduce a circuit-QED architecture combining fixed-frequency qubits and microwave-driven couplers.
Drive parameters appear as tunable knobs enabling selective two-qubit coupling and coherent-error suppression.
arXiv Detail & Related papers (2022-04-17T22:49:56Z) - Rotating Majorana Zero Modes in a disk geometry [75.34254292381189]
We study the manipulation of Majorana zero modes in a thin disk made from a $p$-wave superconductor.
We analyze the second-order topological corner modes that arise when an in-plane magnetic field is applied.
We show that oscillations persist even in the adiabatic phase because of a frequency independent coupling between zero modes and excited states.
arXiv Detail & Related papers (2021-09-08T11:18:50Z) - Doubly Modulated Optical Lattice Clock Interference and Topology [17.566717348287685]
We simultaneously modulate the frequency of the lattice laser and the Rabi frequency in an optical lattice clock (OLC) system.
Thanks to ultra-high precision and ultra-stability of OLC, the relative phase could be fine-tuned.
By experimentally detecting the eigen-energies, we demonstrate the relation between effective Floquet Hamiltonian and 1-D topological insulator with high winding number.
arXiv Detail & Related papers (2020-09-24T13:20:35Z) - Waveguide quantum optomechanics: parity-time phase transitions in
ultrastrong coupling regime [125.99533416395765]
We show that the simplest set-up of two qubits, harmonically trapped over an optical waveguide, enables the ultrastrong coupling regime of the quantum optomechanical interaction.
The combination of the inherent open nature of the system and the strong optomechanical coupling leads to emerging parity-time (PT) symmetry.
The $mathcalPT$ phase transition drives long-living subradiant states, observable in the state-of-the-art waveguide QED setups.
arXiv Detail & Related papers (2020-07-04T11:02:20Z) - Entanglement generation via power-of-SWAP operations between dynamic
electron-spin qubits [62.997667081978825]
Surface acoustic waves (SAWs) can create moving quantum dots in piezoelectric materials.
We show how electron-spin qubits located on dynamic quantum dots can be entangled.
arXiv Detail & Related papers (2020-01-15T19:00:01Z)
This list is automatically generated from the titles and abstracts of the papers in this site.
This site does not guarantee the quality of this site (including all information) and is not responsible for any consequences.