Locally supersymmetric SU(6) grand unified theory without fine-tuning and strongCPproblems

1985 ◽  
Vol 31 (4) ◽  
pp. 900-911 ◽  
Author(s):  
Ashoke Sen
Keyword(s):  
Fine Tuning ◽  
Unified Theory ◽  
Grand Unified Theory

scholarly journals RANDALL–SUNDRUM AND FLIPPED SU(5)

2008 ◽  
Vol 23 (19) ◽  
pp. 2915-2931 ◽  
Author(s):  
BEN DUNDEE ◽  
GERALD CLEAVER
Keyword(s):  
Vacuum Expectation ◽  
Vacuum Expectation Value ◽  
Matter Content ◽  
Fine Tuning ◽  
Unified Theory ◽  
Grand Unified Theory ◽  
Baryon Decay ◽  
Proton Lifetime ◽  
Bulk Scalar Field ◽  
Dimensional Coupling

In this paper, we construct a model based on a flipped SU(5) partial grand unified theory, within the framework of the Randall–Sundrum (RS1) proposal. Breaking of [Formula: see text] is achieved using a bulk scalar field in the 10 of SU(5), Φ, which gains a vacuum expectation value <Φ> ~ 3 × 1015 GeV . We are able to retain the successes of the [Formula: see text] phenomenology, specifically the confinement of all fields to the smallest (1, [Formula: see text], and 10) representations of SU(5). We derive the beta functions, and point out some constraints on bulk matter content implied by the runnings (and positivity) of the five-dimensional coupling. Finally, we comment on baryon decay and show the fine-tuning problem required to prevent an exponentially short proton lifetime.

Deep in the Bones Lie Memories and Hopes: A Grand Unified Theory

2021 ◽  
Vol 51 (1) ◽  
pp. 22-30
Author(s):  
Daniel P. McCarthy
Keyword(s):  
Unified Theory ◽  
Grand Unified Theory ◽  
Hagia Sophia ◽  
The Sacrifice

Christ’s bones are missing at the Holy Sepulchre; St Peter’s bones remain in his basilica; Hagia Sophia was not built on bones. The absence, presence, or lack of bones effects different emphases on memory (anamnesis) and fulfillment (eschatology). In Jerusalem we witness our future glory (eschatology) already revealed in our history (anamnesis); in Rome we recall (anamnesis) the sacrifice of martyrs whose bones remain until the general resurrection (eschatology), even while we venerate the saints in light; at Hagia Sophia liturgy itself, rather than bones, provides the context for remembering the whole Christ in the power of the Spirit. Celebrating liturgy over the bones of martyrs in Rome, while venerating their sacrifice, may have accentuated the sacrificial character of the eucharistic liturgy in the Christian west, whereas in the Christian east the eschatological glory already revealed in our history and in liturgy may have shaped the eschatological character of liturgy.

scholarly journals Impaired prohormone processing: a grand unified theory for features of Prader-Willi syndrome?

2016 ◽  
Vol 127 (1) ◽  
pp. 98-99 ◽  
Author(s):  
Joseph Polex-Wolf ◽  
Giles S.H. Yeo ◽  
Stephen O’Rahilly
Keyword(s):  
Prader Willi Syndrome ◽  
Unified Theory ◽  
Grand Unified Theory ◽  
Prohormone Processing
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