Zobrazeno 1 - 10
of 462
pro vyhledávání: '"Egger D"'
Autor:
Dupuy, R., Filser, J., Richter, C., Buttersack, T., Trinter, F., Gholami, S., Seidel, R., Nicolas, C., Bozek, J., Egger, D., Oberhofer, H., Thürmer, S., Hergenhahn, U., Reuter, K., Winter, B., Bluhm, H.
Publikováno v:
Phys. Rev. Lett. 130 (15) 156901 (2023)
The determination of depth profiles across interfaces is of primary importance in many scientific and technological areas. Photoemission spectroscopy is in principle well suited for this purpose, yet a quantitative implementation for investigations o
Externí odkaz:
http://arxiv.org/abs/2209.15437
Publikováno v:
Phys. Rev. X 11, 041032 (2021)
In circuit-based quantum computing, the available gate set typically consists of single-qubit gates acting on each individual qubit and at least one entangling gate between pairs of qubits. In certain physical architectures, however, some qubits may
Externí odkaz:
http://arxiv.org/abs/2011.08987
Autor:
Ganzhorn, M., Salis, G., Egger, D. J., Fuhrer, A., Mergenthaler, M., Müller, C., Müller, P., Paredes, S., Pechal, M., Werninghaus, M., Filipp, S.
Publikováno v:
Phys. Rev. Research 2, 033447 (2020)
The possibility to utilize different types of two-qubit gates on a single quantum computing platform adds flexibility in the decomposition of quantum algorithms. A larger hardware-native gate set may decrease the number of required gates, provided th
Externí odkaz:
http://arxiv.org/abs/2005.05696
Autor:
Malis, M., Barkoutsos, P. Kl., Ganzhorn, M., Filipp, S., Egger, D. J., Bonella, S., Tavernelli, I.
Publikováno v:
Phys. Rev. A 99, 052316 (2019)
In this work, we develop a method to design control pulses for fixed-frequency superconducting qubits coupled via tunable couplers based on local control theory, an approach commonly employed to steer chemical reactions. Local control theory provides
Externí odkaz:
http://arxiv.org/abs/1808.10773
Publikováno v:
Phys. Rev. A 91, 043421 (2015)
We investigate ways to optimize adiabaticity and diabaticity in the Landau-Zener model with non-uniform sweeps. We show how diabaticity can be engineered with a pulse consisting of a linear sweep augmented by an oscillating term. We show that the osc
Externí odkaz:
http://arxiv.org/abs/1502.05175
Autor:
Egger, D. J., Wilhelm, F. K.
Publikováno v:
Phys. Rev. Lett. 112, 240503 (2014)
Optimal quantum control theory carries a huge promise for quantum technology. Its experimental application, however, is often hindered by imprecise knowledge of the its input variables, the quantum system's parameters. We show how to overcome this by
Externí odkaz:
http://arxiv.org/abs/1402.7193
Autor:
Egger, D. J., Wilhelm, F. K.
Superconducting qubits are a promising candidate for building a quantum computer. A continued challenge for fast yet accurate gates to minimize the effects of decoherence. Here we apply numerical methods to design fast entangling gates, specifically
Externí odkaz:
http://arxiv.org/abs/1306.6894
Publikováno v:
Phys. Rev. A 88, 052330 (2013)
Recent experimental work on superconducting transmon qubits in 3D cavities show that their coherence times are increased by an order of magnitude compared to their 2D cavity counterparts. However to take advantage of these coherence times while scali
Externí odkaz:
http://arxiv.org/abs/1306.2279
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