P J Hakonen
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Explore the profile of P J Hakonen including associated specialties, affiliations and a list of published articles.
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Articles
18
Citations
123
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Recent Articles
1.
Wisne M, Deng Y, Lilja I, Hakonen P, Chandrasekhar V
Phys Rev Lett
. 2025 Jan;
133(24):246601.
PMID: 39750360
Multiterminal Josephson junctions (MTJJs), devices in which a normal metal is in contact with three or more superconducting leads, have been proposed as artificial analogs of topological crystals. The topological...
2.
Zavjalov V, Savin A, Sergeicheva E, Hakonen P
J Low Temp Phys
. 2024 Sep;
214(5-6):385-398.
PMID: 39314851
We study the homogeneously precessing domain (HPD) in superfluid He-B in a regular continuous-wave nuclear magnetic resonance (CW NMR) experiment. Using Fourier analysis of CW NMR time traces, we identify...
3.
Todoshchenko I, Kamada M, Kaikkonen J, Liao Y, Savin A, Will M, et al.
Nat Commun
. 2022 Oct;
13(1):5873.
PMID: 36198680
Low dimensional fermionic quantum systems are exceptionally interesting because they reveal distinctive physical phenomena, including among others, topologically protected excitations, edge states, frustration, and fractionalization. Our aim was to confine...
4.
Tan Z, Laitinen A, Kirsanov N, Galda A, Vinokur V, Haque M, et al.
Nat Commun
. 2021 Jan;
12(1):138.
PMID: 33420055
Generation of electric voltage in a conductor by applying a temperature gradient is a fundamental phenomenon called the Seebeck effect. This effect and its inverse is widely exploited in diverse...
5.
Zavjalov V, Savin A, Hakonen P
J Low Temp Phys
. 2019 May;
195(1):72-80.
PMID: 31073248
We have designed and characterized a cryogenic amplifier for use in He NMR spectrometry. The amplifier, with a power consumption of mW, works at temperatures down to 4 K. It...
6.
Tan Z, Elo T, Puska A, Sarkar J, Lahteenmaki P, Duerr F, et al.
Sci Rep
. 2018 Oct;
8(1):14952.
PMID: 30297734
We have investigated current-current correlations in a cross-shaped conductor made of graphene. The mean free path of charge carriers is on the order of the ribbon width which leads to...
7.
Pirkkalainen J, Cho S, Massel F, Tuorila J, Heikkila T, Hakonen P, et al.
Nat Commun
. 2015 Apr;
6:6981.
PMID: 25912295
Coupling electromagnetic waves in a cavity and mechanical vibrations via the radiation pressure of photons is a promising platform for investigations of quantum-mechanical properties of motion. A drawback is that...
8.
Tan Z, Cox D, Nieminen T, Lahteenmaki P, Golubev D, Lesovik G, et al.
Phys Rev Lett
. 2015 Mar;
114(9):096602.
PMID: 25793837
A split Cooper pair is a natural source for entangled electrons which is a basic ingredient for quantum information in the solid state. We report an experiment on a superconductor-graphene...
9.
Todoshchenko I, Kaikkonen J, Blaauwgeers R, Hakonen P, Savin A
Rev Sci Instrum
. 2014 Sep;
85(8):085106.
PMID: 25173311
We demonstrate successful "dry" refrigeration of quantum fluids down to T = 0.16 mK by using copper nuclear demagnetization stage that is pre-cooled by a pulse-tube-based dilution refrigerator. This type...
10.
Song X, Oksanen M, Li J, Hakonen P, Sillanpaa M
Phys Rev Lett
. 2014 Jul;
113(2):027404.
PMID: 25062231
Cavity optomechanics has served as a platform for studying the interaction between light and micromechanical motion via radiation pressure. Here we observe such phenomena with a graphene mechanical resonator coupled...