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Open research questions in Quantum and electron transport phenomena

59 unresolved questions extracted from the limitations and future-work sections of 239 Quantum and electron transport phenomena papers in our library. Each links back to the study that raised it.

What the literature leaves open

  • Future studies can build on the results of this paper to further investigate MRT in flux qubits. The development of more advanced theoretical models and experimental techniques can help to improve our understanding of MRT. The study of MRT in other types of qubits can provide further insights into the phenomenon.

    Investigation of macroscopic resonant tunneling mechanism in superconducting flux qubit · 2026 · DOI

  • The gap in current research is the need for a consistent picture of MRT in a flux qubit driven by a microwave field. Prior work has laid the theoretical groundwork for understanding MRT in flux qubits, but a comprehensive study is needed.

    Investigation of macroscopic resonant tunneling mechanism in superconducting flux qubit · 2026 · DOI

  • Reducing performance spread in qubit coherence is a significant challenge. Scaling superconducting quantum platforms requires further advances in coherence time and reproducibility. Identifying materials-level sources of performance variation is crucial for improving qubit performance.

    Identifying materials-level sources of performance variation in superconducting transmon qubits · 2026 · DOI

  • The incorporation of spin-orbit coupling into the phaseless pw-AFQMC method is a challenging task. The method is limited by the use of pseudopotentials, which can be inadequate in certain cases.

    Phaseless auxiliary-field quantum Monte Carlo method with spin-orbit coupling · 2026 · DOI

  • Magnetic frustration results in highly degenerate ground-state manifolds. Quantum fluctuations partially resolve this degeneracy. Sampling error remains a significant challenge in estimating the binned fidelity F′.

    Quantum dynamics in frustrated Ising fullerenes · 2026 · DOI

  • The devices were measured at a base temperature of approximately 10 mK, which may not be representative of all experimental conditions. The study only considered a limited range of magnetic fields and filling factors.

    Quantum Hall antidot as a fractional coulombmeter · 2026 · DOI

  • Further studies can be conducted to extend the antidot-based charge measurement to other van der Waals materials. Theoretical models can be developed to better understand the variations in edge re-equilibration. Experimental studies can be conducted to explore the applications of the antidot-based charge measurement.

    Quantum Hall antidot as a fractional coulombmeter · 2026 · DOI

  • The high frequency of the Zitterbewegung. The lack of a suitable measurement technique for ZBW. The development of p-adic measurement theory.

    Zitterbewegung as a p-Adic Observable: Ultrametric Readout and Intrinsic Topological Protection for Majorana Qubits · 2026 · DOI

  • Experimental verification of the Hensel lifting proposal. Numerical demonstration of the Gromov δ comparison between Dirac and Majorana transition graphs. Development of p-adic measurement theory.

    Zitterbewegung as a p-Adic Observable: Ultrametric Readout and Intrinsic Topological Protection for Majorana Qubits · 2026 · DOI

  • The gap is the lack of understanding of the electronic transport valley induced by dc current bias. The study aims to address this gap by investigating the hydrodynamic regime of electron liquid.

    Joule heating and electronic Gurzhi effect in hydrodynamic differential transport in an electron liquid · 2026 · DOI

  • The presence of a weak link or localized impurity introduces a finite bare backscattering amplitude and modifies transport. The need for a numerical approach to compute the conductance. The importance of electron-electron interactions in modifying transport.

    Conductance anomaly in a partially open adiabatic quantum point contact · 2026 · DOI

  • The study is limited to a specific model of the barrier potential. The interaction is approximated as short-ranged. Enhanced screening suppresses the effective interaction strength in the multichannel regime.

    Conductance anomaly in a partially open adiabatic quantum point contact · 2026 · DOI

  • The study is limited by the microwave environment being the major source of decoherence. The experiment is performed at a specific magnetic field of 227 mT.

    Coherence of a hole-spin flopping-mode qubit in a circuit quantum electrodynamics environment · 2026 · DOI

  • Future research should focus on mitigating the decoherence caused by the microwave environment. Strategies from the superconducting qubit community can be applied to enhance FM qubit performances.

    Coherence of a hole-spin flopping-mode qubit in a circuit quantum electrodynamics environment · 2026 · DOI

  • Research into quantum gravity, quantum biology, and the measurement problem. Further development of quantum machine learning algorithms and quantum computing technologies.

    Quantum Tunneling of Electrons: From Fundamental Mechanisms to Cutting-Edge · 2026 · DOI

  • Classical limitations in electronics, energy harvesting, and quantum computing. The need for a comprehensive review of the theoretical underpinnings of electron tunneling.

    Quantum Tunneling of Electrons: From Fundamental Mechanisms to Cutting-Edge · 2026 · DOI

  • To incorporate inelastic scattering processes into the boundary potential method. To study the conductance of other systems with topological superconductors using the boundary potential method. To improve the understanding of electron teleportation in topological superconductors.

    Boundary Potential Method for Describing Electron Teleportation in an Interferometer with a Topological Superconductor · 2026 · DOI

  • The paper identifies a gap in the understanding of electron teleportation in topological superconductors. The paper addresses the need for a method to calculate the conductance under a given constraint on the number of electrons.

    Boundary Potential Method for Describing Electron Teleportation in an Interferometer with a Topological Superconductor · 2026 · DOI

  • The study addresses the gap in understanding materials-level sources of performance variation in superconducting transmon qubits. Prior work has focused on identifying disordered regions, but the study investigates the specific material features that correlate with qubit performance.

    Identifying materials-level sources of performance variation in superconducting transmon qubits · 2026 · DOI

  • The method is limited by the use of pseudopotentials, which can be inadequate in certain cases. The simulation is subject to finite-size errors, which can affect the accuracy of the results.

    Phaseless auxiliary-field quantum Monte Carlo method with spin-orbit coupling · 2026 · DOI

  • Future research may involve the experimental realization of the quantum Hall effect with time-dependent magnetic fields. Future research may also involve the study of other phenomena in condensed matter physics using the Ermakov method.

    Time-dependent magnetic fields and the quantum Hall effect · 2026 · DOI

  • The paper identifies a gap in the theoretical understanding of the quantum Hall effect with time-dependent magnetic fields. The paper aims to fill this gap by extending the Ermakov analysis to the Landau problem.

    Time-dependent magnetic fields and the quantum Hall effect · 2026 · DOI

  • The paper identifies a gap in the existing research on vacuum Rabi splitting. The paper proposes a novel system that achieves tunable triple vacuum Rabi splitting.

    Multiple vacuum Rabi splitting in a quantum dot embedded in a nanocavity assisted by two auxiliary cavities · 2026 · DOI

  • Sampling error remains a significant challenge in estimating the binned fidelity F′. The large entropy of the ground-state manifold leads to sampling error. Finite loop corrections can result in estimated spin-spin correlations outside the range [−1, 1].

    Quantum dynamics in frustrated Ising fullerenes · 2026 · DOI

  • The need for a tunable coupler that can achieve fast two-qubit gates and reduced residual ZZ and idling errors. The need for a coupler that can scale up to many qubits with cleaner scaling. The lack of experimental studies on the switching off processes in the double-resonator coupler superconducting quantum circuit.

    Control of Qubit–Qubit Coupling with Double Superconducting Resonators · 2026 · DOI

Most-cited papers in Quantum and electron transport phenomena

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59 open questions have been extracted from the limitations and future-work passages of 239 Quantum and electron transport phenomena papers in our library. Each one below links back to the study that raised it, so you can read the original claim in context.

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