459 research outputs found
Dr. E.K. Wright
No full textPhotograph - The first County Playdowns curling event, Athabasca, Alberta. Dr. E.K. Wright with the trophy. Feb 27, 196
Defining the semiclassical limit of the quantum Rabi Hamiltonian
No full textThe crossover from quantum to semiclassical behavior in the seminal Rabi
model of light-matter interaction still, surprisingly, lacks a complete and
rigorous understanding. A formalism for deriving the semiclassical model
directly from the quantum Hamiltonian is developed here. Working in a displaced
Fock-state basis , the semiclassical limit is
obtained by taking and the coupling to zero.
This resolves the discrepancy between coherent-state dynamics and semiclassical
Rabi oscillations in both standard and ultrastrong coupling/driving regimes.
Furthermore, it provides a framework for studying the quantum-to-classical
transition, with potential applications in quantum technologies.Comment: 7 pages, 1 figure; 7 pages Supplemental Material; v3: change of
author name from E.K. Irish to E.K. Twyeffort Iris
“I Could Turn Viper Tomorrow”: Challenging Reproductive Futurism in Merle Collins’s The Colour of Forgetting
No full textGrenadian author Merle Collins has talked in an interview about the collective optimism felt about the future after the Grenadian Revolution of 1979, when the Grenada United Labour Party government was overthrown by the New Jewel Movement (NJM), a Black Power organization that turned into a Marxist political party. This event was seen as a turning point, cementing Grenada’s status as an independent postcolonial country after Britain relinquished the territory in 1974. Collins describes the affection felt for the new Prime Minister, a young revolutionary called Maurice Bishop, in terms of his rapport across generations of ordinary Grenadians, epitomized by a famous photograph of an older woman touching the young Premier’s face (Scott, “Fragility of Memory” 105). The image symbolizes the confection of youth and old age as a postcolonial political stratagem wherein a beneficent grandmother figure nurtures the hope that revolutionary black youth represents.
Collins reflects on the popular perception that Bishop was an approachable and sympathetic agent of change: “‘De boy nice, he nice, all behind he head nice!’ [Everything is nice, good or attractive about him] Dah’s ting you hear. So you think about the body, and how people view the man, the individual” (Scott, “Fragility of Memory” 105). Collins draws on her memories of collective utterance to link revolutionary legitimacy and masculine youthfulness. Bishop is called a ‘boy’ – instead of the British university-educated, Marxist activist he was – implying that his political appeal was accentuated by his youthfulness. Throughout the rest of the interview Collins repeatedly references how young people and students were at the forefront of the NJM movement in resistance to the former Prime Minister Eric Gairy’s ancien régime, which was characterized by longstanding incumbents, corruption, and violent suppression of opposition both before and after Grenada was granted independence (Scott, “Fragility of Memory” 99, 102; also see Meeks 138–48). According to Collins’s testimony, Bishop’s youth and masculine vigour propelled the New Jewel Movement’s popularity. He seems to embody the NJM’s motto, devised by the Grenadian Carnival calypsonian Lord Melody, of “forward ever and backward never.” The interview subtly delineates a distinction between gendered and aged bodies within Grenada’s postcolonial politics
An optimized scheme for detecting magneto-optic effects in ultrathin films with Sagnac interferometry
No full text© 2022 Author(s).Sagnac interferometry is advantageous in measuring time-reversal-symmetry breaking effects in ferromagnetic and antiferromagnetic materials as it suppresses time-reversal symmetric birefringent effects that are ubiquitous and often overwhelming in optical detection systems. When its sensitivity is limited only by the amplifier noise in the photo-detector, one needs to optimize the optical power that returns to the detector. We demonstrate an experimental scheme that maximizes the returning optical power in a Sagnac interferometry when detecting the magneto-optic effect in ultrathin films. In this scheme, the optical beam bearing the Faraday effect on a thin film is reflected at a second surface coated with a highly reflective gold film. The gold film increases the returned optical power by a factor of 4-5. For a normal-incidence Sagnac interferometer, this scheme yields an increase in the signal-to-noise ratio by the same factor. For an oblique-incidence Sagnac interferometer, this scheme should yield an increase in the signal-to-noise ratio by a factor of 20-25. For illustration, this scheme is used to measure magnetization curves and Kerr rotation images of 4.5-unit-cell thick SrRuO3(001) grown on SrTiO3(001).11Nsciescopu
Chuck Nanook
No full textPhotograph - Children playing in the sled belong to Chuck Nanook who was travelling from Whitehorse to Winnipeg and made a stop in Athabasca, Alberta on January 17, 1946. Dr. E.K. Wright's house is visible in the backgroun
Interplay between a Mental Disorder Risk Gene and Developmental Polarity Switch of GABA Action Leads to Excitation-Inhibition Imbalance
No full textAcknowledgments: We thank members of the Ming and Song laboratories for comments and suggestions, D. Johnson for technical support, and J. Schnoll for lab coordination. This work was supported by grants from the National Institutes of Health (NIH) (R01MH105128 and R35NS097370 to G.-L.M. and R37NS047344 to H.S.) and from the National Alliance for Research on Schizophrenia and Depression (NARSAD) to G.-L.M., H.S., and E.K. Author Contributions: E.K. and J.S contributed equally to this work. J.S. performed electrophysiological analysis and E.K. performed morphological analysis. Y.L. and K.-S.H. contributed to electrophysiology data collection, Y.G. and S.G. helped with some of the retrovirus production, and B.B. helped with rabies synaptic tracing. J.P., J.H.L., Q.H., W.L., and K.M.C. contributed to additional data collection. E.K., J.S., H.S., and G-L.M. designed the project and wrote the manuscript.Peer reviewe
Glutamatergic neurotransmission and toxicity: Domoic acid and Kainic acid (Glutamic acid analogs)
No full textGlutamate is one of the most important compounds within the body, well-known for its role as an excitatory neurotransmitter. Given the importance of glutamate within not only the central nervous system but also various other biochemical processes, the study of glutamatergic neurotransmission has garnered well-deserved attention throughout the scientific community. Most notably, the use of natural analogs of glutamate, such as domoic acid and kainic acid, has significantly improved our understanding of the mechanism of glutamate function. Our increased knowledge of glutamate has subsequently allowed for significant advances in understanding the etiology of various diseases, which is a necessary step in the development of more effective treatments. With the seemingly endless functions of glutamate, the study of glutamate analogs will continue to advance our knowledge of glutamatergic neurotransmission and its role in numerous adverse health conditions
Letters to Dr. E. K. Wright
No full textLetter - To Dr. E.K. Wright from Ms. Gertrude McLaughlin and Mr. Fred J. Marshall, In 1961 replying to photos send about stage operations from Edmonton to Athabasca. Ms. McLaughlin talks briefly about her time teaching in Athabasca in 1913, as well as the names of some of her co-workers (2 pages
E.K. Bailey's Hermeneutic for Preaching
No full textE. K. Bailey’s (1945-2003) pulpit ministry at Concord Baptist Church, Dallas, Texas, demonstrated the non-monolithic nature of Black Sacred Rhetoric. Bailey’s preaching employed an author-centered hermeneutic while attending to the life situation of the Concord congregation. This dissertation will argue that Bailey’s expository preaching was supported by a twofold interpretive lens, Afro-ethnic Ecclesial Kinship and Bibliocentric Christoformity. Bailey preached the Christian Scriptures (1) in connection with his ethnic and ecclesial community and (2) in submission to Scripture’s authorial intent for communal formation in Christ. Bailey valued the pursuit of the biblical authors’ meanings and their applications to the congregation he served. Chapter 1 introduces Bailey’s significance and pulpit legacy as an expository preacher. Chapter 2 discusses his life, education, and ministry years at Concord Church. Chapter 3 situates Bailey’s hermeneutic in the landscape of six major hermeneutical districts of Black Sacred Rhetoric and locates him in biblical exposition within his African-American ethnicity. Chapter 4 explains Bailey’s two principal hermeneutical influencers: A. Louis Patterson, Jr., and Henry H. Mitchell. Chapters 5 and 6 explicate Bailey’s twofold lens, which the reader will see in Bailey’s homiletical expositions on Ephesians in addition to other sermons preached during Bailey’s most experienced years at Concord. Chapter 7 discusses implications for expository preaching based on Bailey’s life and ministry. Chapter 8 concludes with further research opportunities on Bailey.
The dissertation amplifies the overlooked and under-published author-centered hermeneutic in Black Sacred Rhetoric. It presents Bailey as an echo of W. E. B. Du Bois’s “Black Pastor” and a contemporary complement to Daniel R. Bare’s “Black Fundamentalist” pastor during Segregation. It shows how Bailey was able to incorporate biblical exegesis grounded in authorial intent without neglecting the unique, historical context of the African-American community he was called to pastor. Through the interpretive assumptions that grounded his preaching, Bailey trailblazed a path for a future generation of author-centered hermeneutics in Black Sacred Rhetoric
Vertikale thermosiphon reboiler voor de R11-R12 destillatiekolom
No full textDelftChemTechApplied Science
- …
