Zobrazeno 1 - 10
of 496
pro vyhledávání: '"Krajci, P."'
Publikováno v:
Physical Review B 109, 045427 (2024)
Using scanning tunneling microscopy (STM), low energy electron diffraction (LEED), and density functional theory (DFT), we demonstrate the formation of quasicrystalline gallium adlayer on icosahedral ($i$)-Al-Pd-Mn. Quasiperiodic motifs are evident i
Externí odkaz:
http://arxiv.org/abs/2312.12005
Autor:
Singh, Vipin Kumar, Pospisilova, Eva, Mihalkovič, Marek, Krajčí, Marian, Bhakuni, Pramod, Sarkar, Shuvam, Pussi, Katariina, Schlagel, D. L., Lograsso, T. A., Canfield, Paul C., Barman, Sudipta Roy
Publikováno v:
Phys. Rev. B, 107, 045410 (2023)
Decagonal quasiperiodic ordering of Sn thin film on $d$-Al-Ni-Co, is shown based on scanning tunneling microscopy (STM), low-energy electron diffraction and density functional theory (DFT). Interestingly, the decagonal structural correlations are par
Externí odkaz:
http://arxiv.org/abs/2212.09540
Autor:
Patterson, Joseph, de Miguel, Enrique, Kemp, Jonathan, Dvorak, Shawn, Monard, Berto, Hambsch, Franz-Josef, Vanmunster, Tonny, Skillman, David R., Cejudo, David, Campbell, Tut, Roberts, George, Jones, Jim, Cook, Lewis M., Bolt, Greg, Rea, Robert, Ulowetz, Joseph, Krajci, Thomas, Menzies, Kenneth, Lowther, Simon, Goff, William, Stein, William, Wood, Matt A., Myers, Gordon, Stone, Geoffrey, Uthas, Helena, Karamehmetoglu, Emir, Seargeant, Jim, McCormick, Jennie
We report the detailed history of spin-period changes in five intermediate polars (DQ Herculis, AO Piscium, FO Aquarii, V1223 Sagittarii, and BG Canis Minoris) during the 30-60 years since their original discovery. Most are slowly spinning up, althou
Externí odkaz:
http://arxiv.org/abs/2001.07288
Akademický článek
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Akademický článek
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Autor:
de Miguel, Enrique, Patterson, Joseph, Kemp, Jonathan, Myers, Gordon, Rea, Robert, Krajci, Thomas, Monard, Berto, Cook, Lewis
We report a long-term study of the eclipse times in the 10-minute helium binary ES Ceti. The binary period increases rapidly, with P/P-dot = 6.2x10^6 yr. This is consistent with the assumption that gravitational radiation (GR) drives the mass transfe
Externí odkaz:
http://arxiv.org/abs/1801.01049
Autor:
Patterson, Joseph, Stone, Geoffrey, Kemp, Jonathan, Skillman, David, de Miguel, Enrique, Potter, Michael, Starkey, Donn, Uthas, Helena, Jones, Jim, Slauson, Douglas, Koff, Robert, Myers, Gordon, Menzies, Kenneth, Campbell, Tut, Roberts, George, Foote, Jerry, Vanmunster, Tonny, Cook, Lewis M., Krajci, Thomas, Ogmen, Yenal, Sabo, Richard, Seargeant, Jim
We report a long-term (1961-2017) study of the eclipse times in the dwarf nova WZ Sagittae, in an effort to learn its rate of orbital-period change. Some wiggles with a time scale of 20-50 years are apparent, and a connection with the 23-year interva
Externí odkaz:
http://arxiv.org/abs/1801.00189
Autor:
Singh, Vipin Kumar, Mihalkovic, Marek, Krajčí, Marian, Sarkar, Shuvam, Sadhukhan, Pampa, Maniraj, M., Rai, Abhishek, Pussi, Katariina, Schlagel, Deborah L., Lograsso, Thomas A., Shukla, Ajay Kumar, Barman, Sudipta Roy
Publikováno v:
Physical Review Research 2, 013023 (2020)
Realization of an elemental solid-state quasicrystal has remained a distant dream so far in spite of extensive work in this direction for almost two decades. Here, we report the discovery of quasiperiodic ordering in a thick layer of elemental Sn gro
Externí odkaz:
http://arxiv.org/abs/1704.06783
Autor:
Boyd, D. R. S., de Miguel, E., Patterson, J., Wood, M. A., Barrett, D., Boardman, J., Brettman, O., Cejudo, D., Collins, D., Cook, L. M., Cook, M. J., Foote, J. L., Fried, R., Gomez, T. L., Hambsch, F. -J., Jones, J. L., Kemp, J., Koff, R., Koppelman, M., Krajci, T., Lemay, D., Martin, B., McClusky, J. V., Menzies, K., Messier, D., Roberts, G., Robertson, J., Rock, J., Sabo, R., Skillman, D., Ulowetz, J., Vanmunster, T.
We present an analysis of photometric observations of the eclipsing novalike variable DW UMa made by the CBA consortium between 1999 and 2015. Analysis of 372 new and 260 previously published eclipse timings reveals a 13.6 year period or quasi-period
Externí odkaz:
http://arxiv.org/abs/1612.06883
Autor:
Patterson, Joseph, Oksanen, Arto, Kemp, Jonathan, Monard, Berto, Rea, Robert, Hambsch, Franz-Josef, McCormick, Jennie, Nelson, Peter, Allen, William, Krajci, Thomas, Lowther, Simon, Dvorak, Shawn, Borgman, Jordan, Richards, Thomas, Myers, Gordon, Harlingten, Caisey, Bolt, Greg
We report a 20-year campaign to track the 1.8 hour photometric wave in the recurrent nova T Pyxidis, using the global telescope network of the Center for Backyard Astrophysics. During 1996-2011, that wave was highly stable in amplitude and waveform,
Externí odkaz:
http://arxiv.org/abs/1603.00291