Quantum electronics on quantum liquids and solids

W Guo, D Konstantinov, D Jin - Progress in Quantum Electronics, 2024 - Elsevier
Nonpolar atoms or molecules with low particle mass and weak inter-particle interactions can
form quantum liquids and solids (QLS) at low temperatures. Excess electrons naturally bind …

Coulomb interaction-driven entanglement of electrons on helium

NR Beysengulov, ØS Schøyen, SD Bilek, JB Flaten… - PRX Quantum, 2024 - APS
The generation and evolution of entanglement in many-body systems is an active area of
research that spans multiple fields, from quantum information science to the simulation of …

Quantum computing using floating electrons on cryogenic substrates: Potential and challenges

A Jennings, X Zhou, I Grytsenko… - Applied Physics Letters, 2024 - pubs.aip.org
In this review, we introduce a developing qubit platform: floating-electron-based qubits.
Electrons floating in a vacuum above the surface of liquid helium or solid neon emerge as …

Blueprint for quantum computing using electrons on helium

E Kawakami, J Chen, M Benito, D Konstantinov - Physical Review Applied, 2023 - APS
We present a blueprint for building a fault-tolerant quantum computer using the spin states of
electrons on the surface of liquid helium. We propose to use ferromagnetic micropillars to …

Efficient clocked electron transfer on superfluid helium

FR Bradbury, M Takita, TM Gurrieri, KJ Wilkel, K Eng… - Physical review …, 2011 - APS
Unprecedented transport efficiency is demonstrated for electrons on the surface of micron-
scale superfluid helium-filled channels by co-opting silicon processing technology to …

Addition spectra of Wigner islands of electrons on superfluid helium

E Rousseau, D Ponarin, L Hristakos, O Avenel… - Physical Review B …, 2009 - APS
We present here an experimental study of Wigner islands formed by electrons floating over
helium. Electrons are trapped electrostatically in a mesoscopic structure covered with a …

Decay of excited surface electron states in liquid helium and related relaxation phenomena induced by short-wavelength ripplons

YP Monarkha, SS Sokolov, AV Smorodin… - Low Temperature …, 2010 - pubs.aip.org
Decay rates of excited surface electron states on liquid helium are theoretically studied for
different electron confinement potentials and in the presence of quantizing magnetic field …

Chemical potential of the low-dimensional multisubband Fermi gas

ES Sokolova, SS Sokolov… - Journal of Physics …, 2010 - iopscience.iop.org
In this paper, the chemical potential of two-dimensional (2D) and quasi-one-dimensional
(Q1D) multisubband charged Fermi gases is evaluated. We start with a rather general …

Thermopower-based hot electron thermometry of helium surface states at 1.6 K

EI Kleinbaum, SA Lyon - Physical review letters, 2018 - APS
We have developed a method to probe the temperature of surface state electrons (SSE)
above a superfluid helium-4 surface using the Seebeck effect. In contrast to previously used …

Thermal excitation of large charge offsets in a single-Cooper-pair transistor

LR Simkins, DG Rees, PH Glasson, V Antonov… - Journal of Applied …, 2009 - pubs.aip.org
Charge offsets and two-level fluctuators are common in single-electron transistors with a
typical magnitude of| Δ Q|< 0.1 e⁠. We present measurements in a 2 e-periodic single …