A novel protocol for quantum computers could reproduce the complex dynamics of quantum materials. RIKEN researchers have created a hybrid quantum-computational algorithm that can efficiently calculate atomic-level interactions in complex materials. This innovation enables the use of smaller quant
Figure 1: An illustration showing the two states of a cuprate high-temperature superconductor. A new protocol for constructing quantum circuits could be help with calculations on quantum materials such as superconductors. Credit: US Department of EnergyRIKEN researchers have created a hybrid quantum-computational algorithm that can efficiently calculate atomic-level interactions in complex materials.
Kaoru Mizuta and co-workers have demonstrated a method to implement time-evolution operators on limited-size quantum computers. Credit: 2023 RIKEN Center for Quantum Computing One notable example of this is the so-called time-evolution operator. “Time-evolution operators are huge grids of numbers that describe the complex behaviors of quantum materials,” explains Kaoru Mizuta of the RIKEN Center for Quantum Computing. “They’re of great importance because they give quantum computers a very practical application—better understanding quantum chemistry and the physics of solids.
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