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4,276 results on '"Zhu, Meng"'

2. Anatomy of spin Hall effect in ferromagnetic metals

Author

Zheng, Fanxing, Dong, Jianting, Li, Xinlu, Zhu, Meng, Zhou, Ye, and Zhang, Jia

Subjects
Condensed Matter - Materials Science
Abstract

The spin Hall effect in nonmagnetic materials has been intensively studied and became one of the most crucial spin-charge conversion mechanism in spintronics. However, the spin Hall effect in ferromagnetic metals has been less investigated and remains unclear. In this work, we investigate the spin Hall effect in representative ferromagnetic alloy by using first-principles calculations. We first clarify the spin Hall effect into three different types including conventional (CSHE), spin anomalous (SAHE) and magnetic spin Hall effect (MSHE) and then calculate the corresponding spin Hall conductivity and spin Hall angle for (Fe, Co, Ni)Pt, NiFe and CoFe alloy. We find the above three spin Hall mechanisms do coexist in ferromagnetic metals. Particularly, for Pt-based ferromagnetic alloy, a sizable conventional and magnetic spin Hall angles comparable to that of Pt have been predicted. The remarkable unconventional spin Hall effect in ferromagnetic metal may enrich the spin-charge conversion phenomena. For instance, the spin current generated by remarkable MSHE with out-of-plane spin-polarization should be helpful for field-free switching of perpendicular magnetization through spin-orbit torque effect. This work may stimulate future studies on the spin Hall effect in ferromagnetic metals and pave their promising applications for spin-charge conversion devices in spintronics.

Published
2023

3. A direct approach to sharp Li-Yau Estimates on closed manifolds with negative Ricci lower bound

Author

Song, Xingyu, Wu, Ling, and Zhu, Meng

Subjects
Mathematics - Differential Geometry
Abstract

Recently, Qi S.Zhang [26] has derived a sharp Li-Yau estimate for positive solutions of the heat equation on closed Riemannian manifolds with the Ricci curvature bounded below by a negative constant. The proof is based on an integral iteration argument which utilizes Hamilton's gradient estimate, heat kernel Gaussian bounds and parabolic Harnack inequality. In this paper, we show that the sharp Li-Yau estimate can actually be obtained directly following the classical maximum principle argument, which simplifies the proof in [26]. In addition, we apply the same idea to the heat and conjugate heat equations under the Ricci flow and prove some Li-Yau type estimates with optimal coefficients., Comment: 14 pages

Published
2023

4. Heat kernel estimate for the Laplace-Beltrami operator under Bakry-\'Emery Ricci curvature condition and applications

Author

Song, Xingyu, Wu, Ling, and Zhu, Meng

Subjects
Mathematics - Differential Geometry
Abstract

We establish a Gaussian upper bound of the heat kernel for the Laplace-Beltrami operator on complete Riemannian manifolds with Bakry-\'Emery Ricci curvature bounded below. As applications, we first prove an L^1-Liouville property for non-negative subharmonic functions when the potential function of the Bakry-\'Emery Ricci curvature tensor is of at most quadratic growth. Then we derive lower bounds of the eigenvalues of the Laplace-Beltrami operator on closed manifolds. An upper bound of the bottom spectrum is also obtained., Comment: 33 pages. arXiv admin note: text overlap with arXiv:1401.6155 by other authors

Published
2023

14. Author response: Associations of combined phenotypic aging and genetic risk with incident cancer: A prospective cohort study

Author

Bian, Lijun, primary, Ma, Zhimin, additional, Fu, Xiangjin, additional, Ji, Chen, additional, Wang, Tianpei, additional, Yan, Caiwang, additional, Dai, Juncheng, additional, Ma, Hongxia, additional, Hu, Zhibin, additional, Shen, Hongbing, additional, Wang, Lu, additional, Zhu, Meng, additional, and Jin, Guangfu, additional

Published
2024
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27. Supplementary Table S3 from Lung Cancer in Ever- and Never-Smokers: Findings from Multi-Population GWAS Studies

Author

Li, Yafang, primary, Xiao, Xiangjun, primary, Li, Jianrong, primary, Han, Younghun, primary, Cheng, Chao, primary, Fernandes, Gail F., primary, Slewitzke, Shannon E., primary, Rosenberg, Susan M., primary, Zhu, Meng, primary, Byun, Jinyoung, primary, Bossé, Yohan, primary, McKay, James D., primary, Albanes, Demetrios, primary, Lam, Stephen, primary, Tardon, Adonina, primary, Chen, Chu, primary, Bojesen, Stig E., primary, Landi, Maria T., primary, Johansson, Mattias, primary, Risch, Angela, primary, Bickeböller, Heike, primary, Wichmann, H-Erich, primary, Christiani, David C., primary, Rennert, Gad, primary, Arnold, Susanne M., primary, Goodman, Gary E., primary, Field, John K., primary, Davies, Michael P.A., primary, Shete, Sanjay, primary, Marchand, Loïc Le, primary, Liu, Geoffrey, primary, Hung, Rayjean J., primary, Andrew, Angeline S., primary, Kiemeney, Lambertus A., primary, Sun, Ryan, primary, Zienolddiny, Shanbeh, primary, Grankvist, Kjell, primary, Johansson, Mikael, primary, Caporaso, Neil E., primary, Cox, Angela, primary, Hong, Yun-Chul, primary, Lazarus, Philip, primary, Schabath, Matthew B., primary, Aldrich, Melinda C., primary, Schwartz, Ann G., primary, Gorlov, Ivan, primary, Purrington, Kristen S., primary, Yang, Ping, primary, Liu, Yanhong, primary, Bailey-Wilson, Joan E., primary, Pinney, Susan M., primary, Mandal, Diptasri, primary, Willey, James C., primary, Gaba, Colette, primary, Brennan, Paul, primary, Xia, Jun, primary, Shen, Hongbing, primary, and Amos, Christopher I., primary

Published
2024
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28. Figure S2 from Lung Cancer in Ever- and Never-Smokers: Findings from Multi-Population GWAS Studies

Author

Li, Yafang, primary, Xiao, Xiangjun, primary, Li, Jianrong, primary, Han, Younghun, primary, Cheng, Chao, primary, Fernandes, Gail F., primary, Slewitzke, Shannon E., primary, Rosenberg, Susan M., primary, Zhu, Meng, primary, Byun, Jinyoung, primary, Bossé, Yohan, primary, McKay, James D., primary, Albanes, Demetrios, primary, Lam, Stephen, primary, Tardon, Adonina, primary, Chen, Chu, primary, Bojesen, Stig E., primary, Landi, Maria T., primary, Johansson, Mattias, primary, Risch, Angela, primary, Bickeböller, Heike, primary, Wichmann, H-Erich, primary, Christiani, David C., primary, Rennert, Gad, primary, Arnold, Susanne M., primary, Goodman, Gary E., primary, Field, John K., primary, Davies, Michael P.A., primary, Shete, Sanjay, primary, Marchand, Loïc Le, primary, Liu, Geoffrey, primary, Hung, Rayjean J., primary, Andrew, Angeline S., primary, Kiemeney, Lambertus A., primary, Sun, Ryan, primary, Zienolddiny, Shanbeh, primary, Grankvist, Kjell, primary, Johansson, Mikael, primary, Caporaso, Neil E., primary, Cox, Angela, primary, Hong, Yun-Chul, primary, Lazarus, Philip, primary, Schabath, Matthew B., primary, Aldrich, Melinda C., primary, Schwartz, Ann G., primary, Gorlov, Ivan, primary, Purrington, Kristen S., primary, Yang, Ping, primary, Liu, Yanhong, primary, Bailey-Wilson, Joan E., primary, Pinney, Susan M., primary, Mandal, Diptasri, primary, Willey, James C., primary, Gaba, Colette, primary, Brennan, Paul, primary, Xia, Jun, primary, Shen, Hongbing, primary, and Amos, Christopher I., primary

Published
2024
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29. Data from Lung Cancer in Ever- and Never-Smokers: Findings from Multi-Population GWAS Studies

Author

Li, Yafang, primary, Xiao, Xiangjun, primary, Li, Jianrong, primary, Han, Younghun, primary, Cheng, Chao, primary, Fernandes, Gail F., primary, Slewitzke, Shannon E., primary, Rosenberg, Susan M., primary, Zhu, Meng, primary, Byun, Jinyoung, primary, Bossé, Yohan, primary, McKay, James D., primary, Albanes, Demetrios, primary, Lam, Stephen, primary, Tardon, Adonina, primary, Chen, Chu, primary, Bojesen, Stig E., primary, Landi, Maria T., primary, Johansson, Mattias, primary, Risch, Angela, primary, Bickeböller, Heike, primary, Wichmann, H-Erich, primary, Christiani, David C., primary, Rennert, Gad, primary, Arnold, Susanne M., primary, Goodman, Gary E., primary, Field, John K., primary, Davies, Michael P.A., primary, Shete, Sanjay, primary, Marchand, Loïc Le, primary, Liu, Geoffrey, primary, Hung, Rayjean J., primary, Andrew, Angeline S., primary, Kiemeney, Lambertus A., primary, Sun, Ryan, primary, Zienolddiny, Shanbeh, primary, Grankvist, Kjell, primary, Johansson, Mikael, primary, Caporaso, Neil E., primary, Cox, Angela, primary, Hong, Yun-Chul, primary, Lazarus, Philip, primary, Schabath, Matthew B., primary, Aldrich, Melinda C., primary, Schwartz, Ann G., primary, Gorlov, Ivan, primary, Purrington, Kristen S., primary, Yang, Ping, primary, Liu, Yanhong, primary, Bailey-Wilson, Joan E., primary, Pinney, Susan M., primary, Mandal, Diptasri, primary, Willey, James C., primary, Gaba, Colette, primary, Brennan, Paul, primary, Xia, Jun, primary, Shen, Hongbing, primary, and Amos, Christopher I., primary

Published
2024
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30. Linear stability of compact shrinking Ricci solitons

Author

Cao, Huai-Dong and Zhu, Meng

Subjects
Mathematics - Differential Geometry
Abstract

In this paper, we continue investigating the second variation of Perelman's $\nu$-entropy for compact shrinking Ricci solitons. In particular, we improve some of our previous work in "H.-D. Cao and M. Zhu, Math. Ann. 353 (2012), No. 3, 747-763", as well as the more recent work in "M. Mehrmohamadi and A. Razavi, arXiv:2104.08343", and obtain a necessary and sufficient condition for a compact shrinking Ricci soliton to be linearly stable. Our work also extends similar results of Hamilton, Ilmanen and the first author in "arXiv:math.DG/0404165" (see also "H.-D. Cao and C. He, J. Reine Angew. Math. 2015 (2015), no. 709, 229-246.") for positive Einstein manifolds to the compact shrinking Ricci soliton case., Comment: Final version; to appear in Math. Ann

Published
2023
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31. Research on the Mechanism of Intermittent Failure of Electrical Connectors in Marine Environments

Author

Zhu, Meng, Jia, Runchuan, Yang, Yuping, Angrisani, Leopoldo, Series Editor, Arteaga, Marco, Series Editor, Chakraborty, Samarjit, Series Editor, Chen, Jiming, Series Editor, Chen, Shanben, Series Editor, Chen, Tan Kay, Series Editor, Dillmann, Rüdiger, Series Editor, Duan, Haibin, Series Editor, Ferrari, Gianluigi, Series Editor, Ferre, Manuel, Series Editor, Jabbari, Faryar, Series Editor, Jia, Limin, Series Editor, Kacprzyk, Janusz, Series Editor, Khamis, Alaa, Series Editor, Kroeger, Torsten, Series Editor, Li, Yong, Series Editor, Liang, Qilian, Series Editor, Martín, Ferran, Series Editor, Ming, Tan Cher, Series Editor, Minker, Wolfgang, Series Editor, Misra, Pradeep, Series Editor, Mukhopadhyay, Subhas, Series Editor, Ning, Cun-Zheng, Series Editor, Nishida, Toyoaki, Series Editor, Oneto, Luca, Series Editor, Panigrahi, Bijaya Ketan, Series Editor, Pascucci, Federica, Series Editor, Qin, Yong, Series Editor, Seng, Gan Woon, Series Editor, Speidel, Joachim, Series Editor, Veiga, Germano, Series Editor, Wu, Haitao, Series Editor, Zamboni, Walter, Series Editor, Tan, Kay Chen, Series Editor, Yang, Qingxin, editor, Li, Zewen, editor, and Luo, An, editor

Published
2024
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33. Cardiovascular mortality risk in patients with ovarian cancer: a population-based study

Author

Ze-Lin Hu, Ying-Xue Yuan, Meng-Yi Xia, Ying Li, Ying Yang, Sheng-Nan Wang, Xuan-Zhu Meng, Mo-Ying Sun, and Ning Wang

Subjects
Ovarian cancer, Cardiovascular mortality, SEER database, Overall survival, Gynecology and obstetrics, RG1-991
Abstract

Abstract Objectives Ovarian cancer (OC) can occur at different ages and is affected by a variety of factors. In order to evaluate the risk of cardiovascular mortality in patients with ovarian cancer, we included influencing factors including age, histological type, surgical method, chemotherapy, whether distant metastasis, race and developed a nomogram to evaluate the ability to predict occurrence. At present, we have not found any correlation studies on cardiovascular death events in patients with ovarian cancer. This study was designed to provide targeted measures for effective prevention of cardiovascular death in patients with ovarian cancer. Methods Kaplan–Meier analysis and multivariable Cox proportional model were performed to evaluate the effectiveness of cardiovascular diseases on overall survival (OS) and ovarian cancer‐specific survival (OCSS). We compared multiple groups including clinical, demographic, therapeutic characteristics and histological types. Cox risk regression analysis, Kaplan–Meier survival curves, and propensity score matching were employed for analyzing the data. Results A total of 88,653 ovarian cancer patients were collected, of which 2,282 (2.57%) patients died due to cardiovascular-related diseases. Age, chemotherapy and whether satisfactory cytoreduction surgery is still the most important factors affecting the prognosis of ovarian cancer patients, while different histological types, diagnosis time, and race also have a certain impact on the prognosis. The newly developed nomogram model showed excellent predictive performance, with a C-index of 0.759 (95%CI: 0.757–0.761) for the group. Elderly patients with ovarian cancer are still a high-risk group for cardiovascular death [HR: 21.07 (95%CI: 5.21–85.30), p

Published
2024
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36. Thread-structural microneedles loaded with engineered exosomes for annulus fibrosus repair by regulating mitophagy recovery and extracellular matrix homeostasis

Author

Hu, Shaojun, primary, Zhu, Meng, additional, Xing, Hongyuan, additional, Xue, Yucheng, additional, Li, Jun, additional, Wang, Zhan, additional, Zhu, Zhou, additional, Fang, Miaojie, additional, Li, Zilong, additional, Xu, Jianbin, additional, He, Yong, additional, and Zhang, Ning, additional

Published
2024
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45. GDF15 is a major determinant of ketogenic diet-induced weight loss

Author

Lu, Jun Feng, primary, Zhu, Meng Qing, additional, Xia, Bo, additional, Zhang, Na Na, additional, Liu, Xiao Peng, additional, Liu, Huan, additional, Zhang, Rui Xin, additional, Xiao, Jun Ying, additional, Yang, Hui, additional, Zhang, Ying Qi, additional, Li, Xiao Miao, additional, and Wu, Jiang Wei, additional

Published
2024
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46. Direct reprogramming of non-limb fibroblasts to cells with properties of limb progenitors

Author

Atsuta, Yuji, primary, Lee, ChangHee, additional, Rodrigues, Alan R., additional, Colle, Charlotte, additional, Tomizawa, Reiko R., additional, Lujan, Ernesto G., additional, Tschopp, Patrick, additional, Galan, Laura, additional, Zhu, Meng, additional, Gorham, Joshua M., additional, Vannier, Jean-Pierre, additional, Seidman, Christine E., additional, Seidman, Jonathan G., additional, Ros, Marian A., additional, Pourquié, Olivier, additional, and Tabin, Clifford J., additional

Published
2024
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