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This thesis presents a novel approach to the experimental realization of tunable, superconducting metamaterials. Therefore, conventional resonant meta-atoms are replaced by meta-atoms that contain Josephson junctions, which renders their resonance frequency tunable by an external magnetic field. This tunability is theoretically and experimentally investigated in one-dimensional magnetic and electric metamaterials. For the magnetic metamaterial, the effective, magnetic permeability is determined.
A catalog of artists/printers and printing places for the birth and baptismal certificates used by the Pennsylvania Germans. Family names given on the certificates are indexed.
Hybrid quantum circuits interfacing rare earth spin ensembles with microwave resonators are a promising approach for application as coherent quantum memory and frequency converter. In this thesis, hybrid circuits based on Er and Nd ions doped into Y?SiO? and YAlO? crystals are investigated by optical and on-chip microwave spectroscopy. Coherent strong coupling between the microwave resonator and spin ensemble as well as a multimode memory for weak coherent microwave pulses are demonstrated.
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This book argues that critical race theory (CRT)—which originated within Legal Studies during the 1970s—has permeated multiple academic disciplines and informs the ethical commitments of scholars in diverse fields of study. Critical Race Studies Across Disciplines includes essays by scholars of African American studies from various disciplines, who directly and indirectly incorporate CRT through signaling a commitment to scholar-activism or scholactivism. Scholactivists hope to understand the roots of anti-Black racism and to actively oppose all forms of oppression. Drawing on CRT, the volume counters the colorblind rhetoric of those who dismiss the notion of systemic racism, discount racial inequities, and disregard racial justice advocates as malcontents fanning the flames of racial dissension. The contributors of this collection challenge racism centering the stories, perspectives, and counter-narratives of African American soldiers, teachers, students, writers, psychologists, and theologians who continually defy and resist oppression in myriad ways.
Why is leadership not diverse and what can be done about it? Opening Doors to Diversity in Leadership provides evidence and options for businesses to build a more diverse workforce, leadership team and corporate culture.
African American males occupy a historically unique social position, whether in school life, on the job, or within the context of dating, marriage and family. Often, their normal role expectations require that they perform feminized and hypermasculine roles simultaneously. This book focuses on how African American males experience masculinity politics, and how U.S. sexism and racial ranking influences relationships between black and white males, as well as relationships with black and white women. By considering the African American male experience as a form of sexism, Lemelle proposes that the only way for the social order to successfully accommodate African American males is to fundamentally eliminate all sexism, particularly as it relates to the organization of families.
A rich and disturbing portrait of the achievement gap that persists more than fifty years after the formal dismantling of segregation.
John McFarland (ca.1820-1891), of Scottish lineage, married Margaret Campbell and, as a widower, immigrated from Ireland to Philadelphia. His son, James, immigrated to join John in the 1860s. Descendants and relatives lived in Pennsylvania, Maryland, Virginia, Missouri, Kansas, Iowa, Nebraska, Minnesota, Montana and elsewhere.